Academic literature on the topic 'Tympanum'

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Journal articles on the topic "Tympanum"

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Baudouin, R., F. Denoyelle, and F. Simon. "Shedding light on the tympanic membrane: a brief history of the description and understanding of its anatomy." Journal of Laryngology & Otology 136, no. 2 (November 25, 2021): 97–102. http://dx.doi.org/10.1017/s0022215121003844.

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AbstractObjectiveFor centuries, the tympanum has remained the only visible structure of the organ of hearing. This study aimed to trace the understanding of the tympanic membrane from antiquity to the early twentieth century.MethodsA review was conducted of primary and secondary historical and scientific literature describing the tympanic membrane anatomy.ResultsAlthough ancient polymaths sensed that sounds were vibrations that could spread in the air and be perceived by the hearing organ, there were numerous misconceptions about the tympanum until human dissections performed during the Renaissance. The tympanum was correctly described only centuries later when technological advances enabled otologists to understand it as a fundamental part of the hearing organ.ConclusionThe tympanic membrane history reflects key stages in medical knowledge; limited for centuries, a great technological leap was possible in the nineteenth century, contributing to the emergence of otologists and laying the foundations of modern otology.
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Hennig, R., T. Weber, F. Huber, H. Kleindienst, T. Moore, and A. Popov. "AUDITORY THRESHOLD CHANGE IN SINGING CICADAS." Journal of Experimental Biology 187, no. 1 (February 1, 1994): 45–55. http://dx.doi.org/10.1242/jeb.187.1.45.

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The hearing sensitivity in singing cicadas is reduced during sound production by a folding of the tympanal membranes. Using electrophysiological recording and nerve stimulation techniques, we have shown an effect of the folded tympanum on the auditory threshold of two species of cicadas, Tibicen linnei and Okanagana rimosa. Auditory thresholds of both species increased by about 20 dB when the tympana folded during singing. In T. linnei the increase in threshold affected the whole frequency range, from 1 to 16 kHz, in a similar way. Electrical stimulation of one or both auditory nerves resulted in a folding of both tympanal membranes in a way very similar to that seen in singing animals. We have demonstrated that a cicada male is able to adjust its auditory threshold within a range of about 20 dB by the tympanal folding mechanism.
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Ehret, G., E. Keilwerth, and T. Kamada. "The lung-eardrum pathway in three treefrog and four dendrobatid frog species: some properties of sound transmission." Journal of Experimental Biology 195, no. 1 (October 1, 1994): 329–43. http://dx.doi.org/10.1242/jeb.195.1.329.

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Frequency-response curves of the tympanum and lateral body wall (lung area) were measured by laser Doppler vibrometry in three treefrog (Smilisca baudini, Hyla cinerea, Osteopilus septentrionalis) and four dendrobatid frog (Dendrobates tinctorius, D. histrionicus, Epipedobates tricolor, E. azureiventris) species. The high-frequency cut-off of the body wall response was always lower than that of the tympanum. The best response frequencies of the lateral body wall were lower than those of the tympanum in some species (S. baudini, O. septentrionalis, D. tinctorius), while in the others they were rather similar. Best tympanic frequencies and best body wall response frequencies tended to differ more with increasing body size. Stimulation of the tympanum by sound transfer through 3.14 mm2 areas of the lateral body wall showed that the lung-eardrum pathway can be in two states, depending on breathing activity within the lungs: 44% (in Smilisca), 39% (in Hyla) and 31% (in Osteopilus) of the eardrum vibrations were 2.5-8 times (8-18 dB) larger when the frogs were breathing with the lungs compared with non-breathing conditions. The vibration amplitudes of the tympanum and lateral body wall of the treefrogs followed the same dependence on sound intensity, only absolute amplitudes differed between species. Our results suggest that the lung-eardrum pathway attenuates high-frequency components of species-specific calls and enhances low-frequency components. In addition, an amplitude modulation is imposed on the low frequencies during the rhythm of breathing.
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Thomas, KA, MV Savage, and GL Brengelmann. "Effect of facial cooling on tympanic temperature." American Journal of Critical Care 6, no. 1 (January 1, 1997): 46–51. http://dx.doi.org/10.4037/ajcc1997.6.1.46.

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BACKGROUND: In clinical practice, tympanic temperature is used as an estimate of body temperature. Theoretically, temperature recorded directly from the tympanum reflects the temperature of arterial blood circulating to the brain. However, some studies do not support this connection. Ear-based thermometers in clinical use, commonly called tympanic thermometers, detect heat emission from the aural canal and tympanum. Dissociation of core body temperature and tympanic temperature would suggest that factors other than arterial blood perfusion affect tympanic temperature. METHODS: In a controlled laboratory experiment with four adult volunteers, esophageal and tympanic temperatures were recorded repeatedly at 2-minute intervals during whole-body heating and cooling. Facial cooling, produced by a small electrical fan, was used in three subjects. RESULTS: The gradient between tympanic and esophageal temperature was inconsistent across subjects, with tympanic temperature both higher and lower than esophageal temperature. Correlations between esophageal and tympanic temperature varied widely across subjects. Fanning the face produced a decrease in tympanic temperature without an accompanying decline in esophageal temperature. CONCLUSIONS: Facial cooling in the form of fanning altered the relationship between tympanic and esophageal temperature. This result suggests the possible lowering of tympanic temperature by cooled facial venous blood flow. Use of tympanic temperature in circumstances in which facial temperature may be different from that of other regions of the body deserves further study.
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Deguine, Christian, and Jack L. Pulec. "Tympanic Membrane Perforation with Squamous Epithelium within the Tympanum." Ear, Nose & Throat Journal 73, no. 7 (July 1994): 442. http://dx.doi.org/10.1177/014556139407300702.

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Christensen-Dalsgaard, Jakob, Norman Lee, and Mark A. Bee. "Lung-to-ear sound transmission does not improve directional hearing in green treefrogs (Hyla cinerea)." Journal of Experimental Biology 223, no. 20 (September 6, 2020): jeb232421. http://dx.doi.org/10.1242/jeb.232421.

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ABSTRACTAmphibians are unique among extant vertebrates in having middle ear cavities that are internally coupled to each other and to the lungs. In frogs, the lung-to-ear sound transmission pathway can influence the tympanum's inherent directionality, but what role such effects might play in directional hearing remains unclear. In this study of the American green treefrog (Hyla cinerea), we tested the hypothesis that the lung-to-ear sound transmission pathway functions to improve directional hearing, particularly in the context of intraspecific sexual communication. Using laser vibrometry, we measured the tympanum's vibration amplitude in females in response to a frequency modulated sweep presented from 12 sound incidence angles in azimuth. Tympanum directionality was determined across three states of lung inflation (inflated, deflated, reinflated) both for a single tympanum in the form of the vibration amplitude difference (VAD) and for binaural comparisons in the form of the interaural vibration amplitude difference (IVAD). The state of lung inflation had negligible effects (typically less than 0.5 dB) on both VADs and IVADs at frequencies emphasized in the advertisement calls produced by conspecific males (834 and 2730 Hz). Directionality at the peak resonance frequency of the lungs (1558 Hz) was improved by ∼3 dB for a single tympanum when the lungs were inflated versus deflated, but IVADs were not impacted by the state of lung inflation. Based on these results, we reject the hypothesis that the lung-to-ear sound transmission pathway functions to improve directional hearing in frogs.
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Alfano, Chiara. "A Scarred Tympanum." Conversations: The Journal of Cavellian Studies, no. 1 (December 2, 2013): 19–38. http://dx.doi.org/10.18192/cjcs.v0i1.950.

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Philosophy is no stranger to autobiography. Yet, despite the fact that we know, thanks to Augustine and Descartes, to Rousseau and Nietzsche, that autobiography can be philosophically useful, the grounds for autobiography’s philosophical significance still evade us. Good detectives that we are, we rummage for clues, for biographical facts that may throw light on this or the other philosophical conundrum, when we have known all along that life told is more philosophically eloquent than life lived. In all of our attempts to recount our lives — to a loved one, to a therapist, to ourselves — there are incidents that seem almost naturally to take precedent over others. Memory, in this sense, works inconsistently, perhaps prejudicially; its retrospective light illuminating some events, which subsequently become important to us, whilst leaving others in the dark. The term that Freud might have used to describe this phenomenon is Nachträglichkeit, an untranslatable word announcing memory’s deferred action, the fact that some incidents only gain significance retrospectively. Nachträglichkeit in its widest possible sense thus describes the fact that whilst life is lived forwards, it can only be understood backwards. This is also true for Stanley Cavell’s autobiographical writings, in which one childhood event in particular emerges as philosophically decisive.
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Neborak, Victor. "A Drum-Tympanum." World Literature Today 79, no. 3/4 (2005): 28. http://dx.doi.org/10.2307/40158925.

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Krotov, S. Yu, Yu T. Ignat’ev, and Yu A. Krotov. "Tympanic cavity ultraphonophoresis in cases of preserving integrity of tympanic membrane." Russian Otorhinolaryngology 20, no. 1 (2021): 51–55. http://dx.doi.org/10.18692/1810-4800-2021-1-51-55.

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One of the most common treatments for the middle ear disorders is the injection of medications into the tympanic cavity through the acoustic meatus. This method has proven itself in treatment of the perforated forms of otitis. In cases of preserving the integrity of the tympanic membrane, its efficacy is arguable due to the impossibility of drug direct penetration via the membrane and contact with the mucous membrane. To increase the permeability of the tympanum, the authors used endaural phonophoresis of drugs. The drug penetration into the tympanum was confirmed by multispiral computed tomography (MSCT) of the temporal bones before and after contrasted ultraphonophoresis with tissue contrast. A 5% solution of potassium iodide was used as a contrast substance, as well as a solution of dexamethasone, which served as an intermediate medium in patients with external otitis and a chronic secretory otitis media. The mechanism of penetration was associated with the primary accumulation of the drug in the layers of the tympanic and adjacent mucous membranes with further dissemination into the deeper parts of the tympanic cavity. An additional confirmation of this is the reaction of the mucous membrane of the tympanic cavity, the mastoid process and the airiness restoration during endaural phonophoresis with dexamethasone. Ultraphonophoresis of drugs through the imperforated eardrum can be used in the conservative treatment of protracted forms of secretory otitis media.
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Long, Sarah, Mark John Plested, Emma K. Mapletoft, Anette Loeffler, and Ross Bond. "Inadvertent catheterisation of the auditory tube during myringotomy in a dog." Veterinary Record Case Reports 8, no. 2 (June 2020): e001160. http://dx.doi.org/10.1136/vetreccr-2020-001160.

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A four-year-old female neutered Cocker Spaniel with a two-year history of relapsing bilateral otitis underwent general anaesthesia and myringotomy for the management of otitis media. This had been previously diagnosed using CT and video-otoscopy six weeks earlier. Due to the thickened and convex nature of the tympanum, the myringotomy incision was made in the caudodorsal quadrant of the tympanum and not the caudoventral quadrant as intended. The catheter advanced freely for several centimetres and air was aspirated. CT confirmed that the catheter had passed through the auditory tube and into the nasopharynx. To the authors’ knowledge, this is the first report of inadvertent auditory tube catheterisation during myringotomy in the dog. It highlights the importance of accurate catheter placement and the difficulties associated with this in thickened or bulging tympanic membranes.
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Dissertations / Theses on the topic "Tympanum"

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Robert, Kylie Anne. "Temperature-dependent sex determination in the viviparous lizard Eulamprus tympanum." University of Sydney. Biological Science, 2003. http://hdl.handle.net/2123/557.

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Abstract There are a remarkable variety of sex determination systems among different animal taxa. In most animals, sex is determined chromosomally. Although in an increasing number of animals sex determination has been found to be influenced primarily by the environment. Species with genotypic sex determination (GSD) have their sex determined at the time of fertilization, by genetic factors alone and those with environmental sex determination (ESD) have their sex determined by environmental factors that act after fertilization. Temperature-dependent Sex Determination (TSD), whereby the sex of the developing embryos depends on the temperature at which they develop is widespread in oviparous reptiles and occurs in all crocodilians, marine turtles and tuatara examined to date and is common in many freshwater turtles and lizards. SECTION ONE Temperature-dependent sex determination (TSD) was never expected to occur in viviparous reptiles, as thermoregulation by pregnant females would result in relatively stable gestation temperatures. Temperature-dependent sex determination and viviparity goes against all the basic assumptions that TSD occurs in oviparous reptiles where temperatures within a nest vary widely. However, skewed sex ratios as a result of incubation temperature indicated the possibility of TSD in the viviparous lizard Eulamprus tympanum. In my first experiments I show the first recorded case of a viviparous reptile with TSD. The developing embryos of the viviparous skink E. tympanum are subject to TSD, with gestation temperature having a highly significant effect on sex and warmer temperatures giving rise to male offspring (Chapter 1). Sex is fully determined at the time of birth and can be differentiated histologically into testes or ovaries (Chapter 2). The morphology and histological characteristics of the gonads of neonatal E. tympanum resulting from the treatment temperatures described in chapter 1 illustrate that sex in E. tympanum is easily distinguished at the time of birth and corresponds with the presence or absence of hemipenes. Males are histologically characterised by an elongated gonad consisting of seminiferous tubules with either no cortical epithelium or, if present at all, in a very thin band. If they are present, M�llerian ducts, showing signs of degeneration, are attached to the kidney by a shortened mesosalpinx. Females are histologically characterised by an irregularly shaped gonad consisting of a thick cortical epithelium that occasionally contains oocytes. The M�llerian ducts are obvious structures attached to the kidney by a fibrous mesosalpinx. The presence or absence of hemipenes is a reliable technique for determining sex in newborn E. tympanum. Sex determination is easiest to perform on neonates within the first few days of birth as hemipenes become increasingly difficult to evert as neonates age, however, with practice they are easily identified without full eversion. SECTION TWO The thermal biology of E. tympanum in the field is restricted by both the thermal properties of their habitat (Chapter 3) and behavioural modifications when faced with a predation threat (Chapter 4). The available temperatures in the field suggest that TSD is biologically relevant in the species and not just a laboratory artefact; E. tympanum can attain mean selected temperatures achieved in the laboratory but the proportion of time at the temperature is restricted. Females actively thermoregulate in the field, although they are restricted in their efficiency of thermoregulation by environmental constraints, for example, microhabitat structure, weather conditions, predator avoidance and social ranking. The highly territorial nature and high densities of E. tympanum present in Kanangra Boyd National Park potentially force less dominant individuals into less favourable habitats that are significantly cooler. An important point is that gravid females in more favourable habitats in the period encompassing the middle third of development (the assumed sex determining period) are selecting higher temperatures, with lower variance and have greater thermoregulatory efficiency than during the rest of pregnancy, therefore, thermoregulating more precisely during this thermosensitive period (Chapter 3). Chemosensory cues provide important information on the risk of predation. Hence, chemoreception is a common mechanism used by many species to detect the presence of, and subsequently respond to, a potential predator. The perceived risk of predation may force retreat to sub-optimal conditions, forcing a trade-off between the risk of predation and the ability to acquire resources. The basking regime maintained by gravid female E. tympanum, can directly alter sex ratios of offspring produced through temperature-dependent sex determination (Chapter 1). The avoidance of predator scents may restrict basking ability and in turn alter the sex of offspring produced. I measured responsiveness to chemical cues using tongue flicks as an indicator of chemical discrimination in females of different reproductive condition. I then measured activity and basking behaviour of gravid and non-gravid females in experimental enclosures in the presence of various chemical stimuli to determine if basking opportunity is compromised by the presence of a predator scent. Females respond differently depending upon reproductive condition, with gravid females responding most significantly to a predator scent. Activity, basking frequency, and time spent in the open (basking duration) are significantly reduced in gravid females in the presence of a predator stimulus. Under laboratory conditions, gravid females modify their behaviour and forego the opportunity to bask when there is a perceived predation risk (Chapter 4). SECTION THREE As female viviparous reptiles can regulate the temperature of the embryo by maternal temperature selection (Chapter 1), the occurrence of TSD in E. tympanum opens the possibility for females to select the sex of offspring. Reproducing females may benefit by facultatively adjusting their investment into sons over daughters or vice versa, in response to population wide shifts in adult sex ratios. Female E. tympanum, can manipulate the sex of their offspring in response to sex imbalances in the population using temperature-dependent sex determination (Chapter 5). When adult males are scarce, females produce male-biased litters and when adult males are common, females produce female-biased litters. The cues used by a female to assess the adult population are not known, but presumably depends upon the female�s experience throughout the breeding season and is the subject of further investigation (Chapter 6). The maternal manipulation of offspring sex ratio in E. tympanum suggests a selective advantage of temperature-dependent sex determination. Any facultative sex ratio response needs to recognise the scarcity of one sex in order to overproduce that sex in the next generation; offspring sex ratio will vary inversely with adult sex ratio. Maternal sex allocation in E. tympanum is linked with population (or adult) sex ratio (Chapter 5), and one of the mechanisms by which females recognise an imbalance may be linked to visual recognition of males (Chapter 6). Females maintained throughout pregnancy without any male stimulus produce entirely male offspring (Chapter 5). In contrast females exposed to male stimulus produce both sexes (Chapter 5). Females respond differently to varying degrees of male stimulus and visual recognition of males in a population may be more important than chemoreception. In the absence of visual cues, females produce more male offspring, even when chemosensory cues are present (Chapter 6). The study system presented here offers many advantages over oviparous species with TSD, due to E. tympanum being relatively short lived and fast maturing. Thus, the fitness consequences over multiple generations as a result of gestation can be investigated. Viviparity allows maternal control of embryonic temperature during gestation and a means of maternal sex allocation. Until now the maternal side of TSD and sex allocation has been where the mother deposits her eggs and the allocation of sex steroid hormones at oviposition, both of which have been difficult to study. The work presented and the study system itself should inspire great interest in TSD and viviparous reptiles.
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Robert, Kylie. "Temperature-dependent sex determination in the viviparous lizard, Eulamprus tympanum." Connect to full text, 2003. http://hdl.handle.net/2123/557.

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Thesis (Ph. D.)--University of Sydney, 2004.
Title from title screen (viewed 5 May 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Biological Sciences, Faculty of Science. Degree awarded 2004; thesis submitted 2003. Appendices contains published articles co-authored by Robert. Includes bibliographical references. Also available in print form.
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Сміян, Олександр Іванович, Александр Иванович Смиян, Oleksandr Ivanovych Smiian, and Л. И. Мишанина. "Внутричерепные осложнения при острых воспалительных осложнениях околоносовых пазух и среднего уха у детей." Thesis, Изд-во СумГУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/6863.

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Tabacca, Natalie Ellen. "Epithelial Migration on the Canine Tympanic Membrane." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306719375.

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Rahman, Anisur. "Healing of tympanic membrane perforations : an experimental study /." Stockholm, 2007. http://diss.kib.ki.se/2007/978-91-7357-243-9/.

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Moir, Hannah M. "Biomechanical and neurophysiological investigation of insect tympanal organs." Thesis, University of Strathclyde, 2012. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=23884.

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Investigating how insects receive sound via the structure of their auditory organs could inspire new, more sensitive, acoustic sensor systems to be developed, where the insect hearing organs that have previously been documented are believed to be more sensitive than any man-made devices that can currently be made. Firstly though, the structure and functioning of the biological inspiration, insect tympanal hearing organs, have to be more fully understood. This Thesis research firstly investigated the biomechanical properties of the tympanal membrane of various species and orders of insect using laser Doppler vibrometry. The results were then compared between species, including the different structures and also the membrane mechanics. This chapter results highlights the different structures and also the range of frequencies that each species is tuned to. By comparing the tympanal organs shape and the mechanics on the membrane surface caused by the received sound waves hopefully this can be applied to future membrane design. Some species of insect have been found to have active hearing characteristics, in order to understand the functioning of these hearing organs these were investigated using different methods to previous studies to try and identify the origin of the active hearing. In previous studies these characteristics were recorded acoustically from the tympanal organs of a number of species. The current study aimed to record the vibration created by the emissions through the membrane this was investigated in both locust and moth tympanal organs. No active hearing characteristics were recordable on the surface of the membrane. Finally both laser vibrometry and electrophysiology recordings were used to investigate very high frequency sensitivity of a moth hearing organ. The findings have greatly extended the known range of hearing in insects. The moth hearing organ is capable of receiving and processing frequencies up to 300 kHz with a very simple tympanal organ. This discovery could inspire smaller and simpler designs of transducers at ultrasonic frequencies. Overall this thesis work demonstrates the amazing sensitivity of the insect tympanal organs and takes steps toward further understanding of the auditory processing in insect tympanal organs.
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Becaud, Philippe. "Chirurgie de renforcement du tympan." 63-Aubière : Imp. Sciences, 1985. http://catalogue.bnf.fr/ark:/12148/cb36110700h.

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Larsson, Christina. "Stiffness changes of the tympanic membrane in otitis media /." Stockholm : [Karolinska institutets bibl.], 2002. http://diss.kib.ki.se/2002/91-7349-224-8/.

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Boxall, John David. "Migration of human tympanic epithelium in health and disease." Thesis, Open University, 1999. http://oro.open.ac.uk/54162/.

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VANDORPE, BOUSEMART COLETTE. "Les paragangliomes tympano-jugulaires : aspects cliniques et therapeutiques." Reims, 1991. http://www.theses.fr/1991REIMM052.

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Books on the topic "Tympanum"

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. Tympanic Membrane Retraction Pocket. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13996-8.

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Andreou, Andreas. Hē banta tympanōn kai salpingōn. Larnaka: [s.n.], 2003.

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Roger, Philippe. Au tympan du cinema. Lyon: Aléas éditeur, 1993.

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Strigas, Athanasios K. Tympana polemou: Skopia-Giounkoslavia : krymmenē apeilē. Athēna: Nea Thesis, 1997.

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Patrons and narratives of the Parler School: The Marian tympana 1350-1400. München: Deutscher Kunstverlag, 2009.

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Benevoli, Orazio. Missa salisburgensis: Salzburger Domfestmesse ; Hymnus : "Plaudite tympana". Freiburg: Deutsche Harmonia Mundi, 1990.

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SOUROUNIS, Antonis. Ta tympana tis koilius re tou polemou. Athens: Kastaniotis, 1989.

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A dulcimer builder's do-it-yourself guidebook: For the hobbyist woodworker. Victoria, B.C: Trafford Pub., 2002.

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Ars, B. Tympano-ossicular allograft tympanoplasty: A manual of techniques. Amsterdam: Kugler Publications, 1993.

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Sourounēs, Antōnēs. Ta tympana tēs koilias kai tou polemou: Diēgēmata. 2nd ed. Athēna: Ekdoseis Kastaniōtē, 1989.

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Book chapters on the topic "Tympanum"

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O’Hara, James E., Igor UsUpensky, N. J. Bostanian, John L. Capinera, Reg Chapman, Carl S. Barfield, Marilyn E. Swisher, et al. "Tympanum." In Encyclopedia of Entomology, 4006. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_2605.

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Murata, K., and F. Ohta. "Reconstruction of the Eustachian tube and the anterior tympanum." In Surgery and Pathology of the Middle Ear, 145–49. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5002-3_34.

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Sweeney, Alex D., and Matthew L. Carlson. "Tympanic Paraganglioma." In Contemporary Management of Jugular Paraganglioma, 183–93. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60955-3_11.

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Gooch, Jan W. "Tympanic Membrane." In Encyclopedic Dictionary of Polymers, 930. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_15037.

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Gooch, Jan W. "Tympan." In Encyclopedic Dictionary of Polymers, 776. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12265.

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. "Introduction." In Tympanic Membrane Retraction Pocket, 1–2. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13996-8_1.

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. "Related Anatomy of the Middle Ear Cleft and Eustachian Tube." In Tympanic Membrane Retraction Pocket, 3–18. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13996-8_2.

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. "Middle Ear Pressure Regulation: Physiology and Pathology." In Tympanic Membrane Retraction Pocket, 19–28. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13996-8_3.

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. "Tympanic Membrane Retraction Pockets." In Tympanic Membrane Retraction Pocket, 29–47. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13996-8_4.

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Mansour, Salah, Jacques Magnan, Hassan Haidar, and Karen Nicolas. "Role of Computed Tomography Imaging in Retraction Pockets." In Tympanic Membrane Retraction Pocket, 49–57. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13996-8_5.

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Conference papers on the topic "Tympanum"

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Bergevin, Christopher, Natasha Mhatre, and Andrew Mason. "Comparing external tympanum vibration and spontaneous otoacoustic emissions." In TO THE EAR AND BACK AGAIN - ADVANCES IN AUDITORY BIOPHYSICS: Proceedings of the 13th Mechanics of Hearing Workshop. Author(s), 2018. http://dx.doi.org/10.1063/1.5038519.

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Volandri, Gaia, Francesca Di Puccio, and Paola Forte. "A Sensitivity Study on a Hybrid FE/MB Human Middle Ear Model." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82326.

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The human middle ear includes the tympanic membrane and the ossicular chain. The finite element method is capable of representing the complex geometry and the material orthotropy of the tympanic membrane. On the contrary, the ossicles can be considered as rigid bodies and a multi-body approach can be adopted. In the present study a multi-body model of the ossicular chain and other structures (joints, ligaments and muscle tendons) of the middle ear was developed and combined with a finite element model of the tympanic membrane through a feedback control strategy. An optimization procedure was used to calibrate unspecified or uncertain parameters with the aim of reproducing ascertained experimental literature data. The sensitivity of the calibrated models to both tympanic membrane and ossicular chain parameters was investigated. Material, geometrical and inertial parameters were considered, in particular those whose values were most widespread in the literature.
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Behr, W., S. Hoch, BA Stuck, and R. Birk. "Glomus tympanicum. Ein Fallbericht." In Abstract- und Posterband – 90. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Digitalisierung in der HNO-Heilkunde. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1686118.

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Chaung, Seung-Kyo. "The Difference of Tympanic Temperature According to Insertion Methods of Tympanic Thermometer Probe." In Green and Smart Technology 2015. Science & Engineering Research Support soCiety, 2015. http://dx.doi.org/10.14257/astl.2015.120.122.

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Behr, W., S. Hoch, BA Stuck, and R. Birk. "Glomus tympanicum. A case report." In Abstract- und Posterband – 90. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Digitalisierung in der HNO-Heilkunde. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1686341.

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Hott, Morgan E., Richard M. Beane, Cliff Megerian, and Lawrence J. Bonassar. "Injection Molding of Tissue Engineered Tympanic Membrane Patches Utilizing Computer-Aided Design." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/bed-23151.

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Abstract Over two million tympanostomy tubes are inserted annually in the United States, making this the most commonly performed of all surgical procedures (Isaacson 1996). In approximately 10% of cases the patient treated with tympanostomy tubes is left with a permanent perforation of the tympanic membrane that requires surgical repair. Current surgical technique involves grafting of an autologous tissue such as temporalis fascia or tragal cartilage to the perforated membrane (Paterson 1999). This is an involved surgical procedure requiring general anesthesia. We propose tissue engineering an autologous cartilage tympanic membrane patch. If successful this approach has the potential to transform an operating room procedure to an office procedure. This would provide tremendous healthcare savings, and potentially obviate the need for tens of thousands of children to undergo general anesthesia.
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Hamra, Matan, Ariel Weigler, Shadi Shinnawi, Mauricio Cohen Vaizer, and Dvir Yelin. "Imaging tympanic membrane vibrations (Conference Presentation)." In Endoscopic Microscopy XIV, edited by Melissa J. Suter, Guillermo J. Tearney, and Thomas D. Wang. SPIE, 2019. http://dx.doi.org/10.1117/12.2508487.

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Paasche, G., M. Goblet, F. Matin, and T. Lenarz. "Absorbance measurements at the tympanic membrane." In 100 JAHRE DGHNO-KHC: WO KOMMEN WIR HER? WO STEHEN WIR? WO GEHEN WIR HIN? Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/s-0041-1728517.

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Lin Cheng, Jinfeng Liu, C. E. Roehm, and T. A. Valdez. "Enhanced video images for tympanic membrane characterization." In 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2011. http://dx.doi.org/10.1109/iembs.2011.6090994.

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Bergevin, Christopher, Sebastiaan W. F. Meenderink, Marcel van der Heijden, and Peter M. Narins. "Slow dynamics of the amphibian tympanic membrane." In MECHANICS OF HEARING: PROTEIN TO PERCEPTION: Proceedings of the 12th International Workshop on the Mechanics of Hearing. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4939356.

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Reports on the topic "Tympanum"

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Welling, Bradley. Fibroblast Growth Factor Regeneration of Tympanic Membrane Perforations. Fort Belvoir, VA: Defense Technical Information Center, October 2013. http://dx.doi.org/10.21236/ada591173.

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