Academic literature on the topic 'Oviducal gland'

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Journal articles on the topic "Oviducal gland"

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K., Altaff. "OCCURRENCE OF OVIDUCAL GLANDS IN TWO TROPICAL MARINE CALANOID COPEPODS PSEUDODIAPTOMUS ANNANDALEI AND PSEUDODIAPTOMUS SERRICAUDATUS – A NEW REPORT." International Journal of Zoology and Applied Biosciences 3, no. 3 (2018): 387–92. https://doi.org/10.5281/zenodo.1314692.

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The female reproductive system of the calanoid copepod species shows species specific variation in organization. Occurrence of oviducal gland in Pseudodiaptomus annandalei and Pseudodiaptomus serricaudatus is reported for the first time in present study. In the case of P. annandalei, and P. serricaudatus fertilized eggs undergo embryonic development in an ovisac. In both the species secretory activity of the oviducal gland synchronizes with the vitellogenesis and maturation of oocytes, which take place in the oviduct. The release of secretory materials from the oviducal gland precedes the rele
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Ikeda, Yuzuru, and Kenji Shimazaki. "Does Nidamental Gland Jelly Induce the Formation of Perivitelline Space at Fertilization in the Squid Todarodes Pacificus?" Journal of the Marine Biological Association of the United Kingdom 75, no. 2 (1995): 495–97. http://dx.doi.org/10.1017/s0025315400018348.

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Squids have more than two accessory reproductive glands, namely oviducal and nidamental glands which release gelatinous substances at the time of spawning to produce an egg mass and in some sepiolids and loliginids there also exist accessory nidamental glands (Hamabe, 1962; Boletzky, 1986; Mangold, 1987). An exception are some enoploteuthid squids which lack the nidamental glands but have large oviducal glands (Naef, 1923). Ikeda et al. (1993) showed experimentally that the gelatinous substance from the oviducal gland has the role of generating the elevation of the chorion at fertilization, wh
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Rangel, Bianca S., Carlos E. Malavasi Bruno, Thierry Salmon, et al. "Morphological analysis of the oviduct, oviducal gland and isthmus of the blue shark Prionace glauca (Linnaeus, 1758) (Elasmobranchii: Carcharhiniformes)." Neotropical Ichthyology 13, no. 4 (2015): 663–72. http://dx.doi.org/10.1590/1982-0224-20140062.

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ABSTRACT Oviducal gland present in elasmobranchs is correlated to the organism's reproductive strategy, and its functions are to produce mucus, to form the egg's tertiary envelope and to store sperm. The gland contains four zones: club, papillary,baffle and terminal. The structures of the oviduct, oviducal gland and isthmus of blue shark Prionace glauca were described using macroscopic, light microscopy and scanning electron microscopy techniques. The epithelium of the oviduct and isthmus is folded and is a simple, columnar, ciliated lining epithelium with glandular cells. In the oviducal gland
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Galíndez, EJ, and S. Estecondo. "Histological remarks of the oviduct and the oviducal gland of Sympterygia acuta Garman, 1877." Brazilian Journal of Biology 68, no. 2 (2008): 359–65. http://dx.doi.org/10.1590/s1519-69842008000200017.

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The elasmobranchs constitute an important resource in Argentinian fishing and they show reproductive characteristics that make them susceptible to the pressure of fishing. In spite of the importance of the resource our knowledge about the species of the Southwestern Atlantic is scarce. In this work we study the microanatomy of the oviduct and the oviducal gland of Sympterygia acuta. The results show a very folded oviduct with mucous and ciliated cells. The oviducal gland depicts the same zonation as other batoids, showing the typical four regions (club, papillary, baffle and terminal). The epi
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Rangel, Bianca S., Bruno Carlos E. Malavasi, Thierry Salmon, et al. "Morphological analysis of the oviduct, oviducal gland and isthmus of the blue shark Prionace glauca (Linnaeus, 1758) (Elasmobranchii: Carcharhiniformes)." Neotropical Ichthyology 13, no. 4 (2015): 663–72. https://doi.org/10.1590/1982-0224-20140062.

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Rangel, Bianca S., Malavasi Bruno, Carlos E., Salmon, Thierry, Ciena, Adriano P., Miglino, Maria A., Amorim, Alberto F., Rici, Rose E. G. (2015): Morphological analysis of the oviduct, oviducal gland and isthmus of the blue shark Prionace glauca (Linnaeus, 1758) (Elasmobranchii: Carcharhiniformes). Neotropical Ichthyology 13 (4): 663-672, DOI: 10.1590/1982-0224-20140062, URL: http://dx.doi.org/10.1590/1982-0224-20140062
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Singh, R. P., K. V. H. Sastry, N. K. Pandey, et al. "The role of the male cloacal gland in reproductive success in Japanese quail (Coturnix japonica)." Reproduction, Fertility and Development 24, no. 2 (2012): 405. http://dx.doi.org/10.1071/rd11057.

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The adult male Japanese quail has a well developed cloacal gland that produces meringue-like white foam. The physiological significance of the cloacal gland and its foam is still unclear. Therefore, we conducted two experiments to establish the functional role of the cloacal gland and its foam in natural mating and oviducal sperm transport. In the first experiment, artificial insemination of equal numbers of spermatozoa diluted in foam extract and normal saline once in a week were used to determine the role of foam in sperm transport in the female oviduct. After artificial insemination, eggs w
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Di Cristo, Carlo, and Anna Di Cosmo. "Neuropeptidergic control of Octopus oviducal gland." Peptides 28, no. 1 (2007): 163–68. http://dx.doi.org/10.1016/j.peptides.2006.09.016.

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Marongiu, Martina F., Cristina Porcu, Andrea Bellodi, Danila Cuccu, Antonello Mulas, and Maria C. Follesa. "Oviducal gland microstructure ofRaja miraletusandDipturus oxyrinchus(Elasmobranchii, Rajidae)." Journal of Morphology 276, no. 11 (2015): 1392–403. http://dx.doi.org/10.1002/jmor.20426.

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Hamlett, W. C., D. P. Knight, T. J. Koob, et al. "Survey of oviducal gland structure and function in elasmobranchs." Journal of Experimental Zoology 282, no. 4-5 (1998): 399–420. http://dx.doi.org/10.1002/(sici)1097-010x(199811/12)282:4/5<399::aid-jez2>3.0.co;2-6.

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CUCCU, D., M. MEREU, C. PORCU, M. C. FOLLESA, AL CAU, and A. CAU. "Development of sexual organs and fecundity in Octopus vulgaris Cuvier, 1797 from the Sardinian waters (Mediterranean Sea)." Mediterranean Marine Science 14, no. 2 (2013): 270. http://dx.doi.org/10.12681/mms.412.

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In this paper we report information about the sexual maturity process of 245 Octopus vulgaris specimens (75 females and 170 males) from the Mediterranean Sea. For both sexes, six stages of sexual maturity (immature, developing, maturing, mature, spawning, and spent) are identified on the basis of macroscopic and microscopic observations of the reproductive system and linked with some reproductive indices. A good correspondence between gonad appearance and its histological structure is observed, highlighting, in females, how oviducal gland morphology plays a crucial role in the macroscopic eval
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Dissertations / Theses on the topic "Oviducal gland"

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Astinotti, Daniel. "Regulation de la transcription du gene de l'ovalbumine de l'oviducte de poule par les hormones steroides." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13023.

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La regulation du gene ovalbumine se fait essentiellement au niveau transcriptionnel a l'aide de construction reumbinents exprimant les genes marqueurs (antigene t du sv40, ou chloramphenicol acetyltransferase) sous controle de sequences pronostics du gene ovalbumine, il a ete trouve une unite de regulation hoemonale negative fonctionnant de facon unidirectionnelle (inhibition en presences d'antagonistes des hormones steroides de sa propre promoteur, repression du promoteur du gene ovalbumine en absence d'hormone steroide) et un motif 5'-gctcaca-3' implique dans une regulation portive du promot
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Maia, Catarina. "Reproductive biology of the species Leucoraja naevus from Portuguese continental waters." Master's thesis, 2010. http://hdl.handle.net/10400.1/1680.

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Dissertação de mest., Biologia Marinha, Faculdade de Ciências e Tecnologia, Univ. do Algarve, 2010<br>Skate populations tend to be highly vulnerable to exploitation as a result of the main life history characteristics (slow growth, late maturity and low fecundity). The cuckoo ray, Leucoraja naevus, one of the skate species landed in Portugal, is mainly a by-catch species from the artisanal mixed-fishery, and for this reason it is very difficult to acquire information about its basic biology. The two main goals of the present work were to estimate the length at first maturity, fecundity and rep
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Book chapters on the topic "Oviducal gland"

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Pratt, Harold L. "The storage of spermatozoa in the oviducal glands of western North Atlantic sharks." In The reproduction and development of sharks, skates, rays and ratfishes. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-3450-9_12.

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"Oviducal Glands in Chondrichthyans." In Reproductive Biology and Phylogeny of Chondrichthyes. CRC Press, 2011. http://dx.doi.org/10.1201/9781439856000-25.

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Gutierrez, Yezid. "Trichinelloidea And Dioctophymatoidea." In Diagnostic Pathology of Parasitic Infections with Clinical Correlations. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195121438.003.0022.

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Abstract The order Enoplida, comprising aphasmid nematodes (see the introduction to Part 11), has two superfamilies, Trichinelloidea and Dioctophymatoidea. In addition to the characteristics of the order, outlined in the introduction to Part II, the females of this group have a single genital organ: one ovary, continuing with the oviduct, the uterus, and the vagina. In members of Trichinelloidea the esophagus (stichosome) consists of a capillary tube surrounded by gland-like cells, the stichocytes, and there are eggs with mucous plugs at either end. The Dioctophymatoidea have a cylindrical, mu
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Reports on the topic "Oviducal gland"

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Pines, Mark, Arieh Bar, David A. Carrino, Arnold I. Caplan, and James A. Dennis. Extracellular Matrix Molecules of the Eggshell as Related to Eggshell Quality. United States Department of Agriculture, 1997. http://dx.doi.org/10.32747/1997.7575270.bard.

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The extracellular matrix of the mineralizing eggshell contains molecules hypothesized to be regulators biomineralization. To study eggshell matrix molecules, a bank of monoclonal antibodies was generated that bound demineralized eggshell matrix or localized to oviduct epithelium. Immunofluorescence staining revealed several staining patterns for antibodies that recognized secretory cells: staining for a majority of columnar lining cells, staining for a minor sub-set of columnar lining cells, intensified staining within epithelial crypts, and staining of the entire tubular gland. Western blotti
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