Relevant bibliographies by topics / Fishes – Embryology

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Academic literature on the topic 'Fishes – Embryology'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 January 2023

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Journal articles on the topic "Fishes – Embryology"

1

West, J. A., J. G. Sivak, and R. D. Moccia. "Embryology of the teleost (Oncorhynchus mykiss) lens." Canadian Journal of Zoology 72, no. 4 (April 1, 1994): 689–701. http://dx.doi.org/10.1139/z94-093.

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Embryological studies of the teleost lens have attracted little attention. The morphology of the rainbow trout (Oncorhynchus mykiss) lens during embryonic development was investigated using light microscopy. Results indicate that in general, the embryology of the rainbow trout lens proceeds much like that which has been described for other vertebrates. However, evidence in this study indicates that both layers of the lens placode invaginate, forming a lens pit, contradicting earlier descriptions of lens development in fishes. Furthermore, a hollow lens vesicle does not appear during development, as is typically described for the mammalian lens. Most importantly, the posterior limit of the anterior epithelium is situated well beyond the equator, three-quarters of the distance from the anterior pole of the lens. As a result, the germinative and transitional zones are located more posteriorly than traditionally described. The consequence of these features and their relevance to the shape of the lens are discussed.
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Ishimaru, Yoshiro, Shinji Okada, Hiroko Naito, Toshitada Nagai, Akihito Yasuoka, Ichiro Matsumoto, and Keiko Abe. "Two families of candidate taste receptors in fishes." Mechanisms of Development 122, no. 12 (December 2005): 1310–21. http://dx.doi.org/10.1016/j.mod.2005.07.005.

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Ahmed, Md Borhan Uddin, Jobayda Sifat, Md Fazla Rabbi, Md Ashraful Islam, H. M. Al Kabid Rafin, and Md Kamal Uddin. "A Review on Embryonic Development of Inland Fishes of Bangladesh." Agricultural Science 2, no. 1 (February 18, 2020): p1. http://dx.doi.org/10.30560/as.v2n1p1.

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The early developmental pattern of inland fishes of Bangladesh are not well studied though it has a great importance in fisheries and aquaculture sector. The embryonic study provides interesting information on further growth and health of the fish and considered as an essential component for optimization of fish seed production by natural and induced breeding. Therefore, the current review work has been undertaken to provide a detail information on embryonic development of important inland fishes of Bangladesh. Information was collected from published scientific papers, un-published Masters and PhD dissertations from universities, popular articles and other published and grey literature. Diameters of unfertilized egg of the reviewed fish species were found to be 0.5 to 1.3 mm and fertilized egg were 0.49 to 1.6 mm. Shapes of the egg were also variable from species to species. There is little information available on egg activation and egg micropyle of fish species of Bangladesh. The fertilization rate of different fishes ranged from 40.1% to 93.9%. There are different stages of early development in different species and time needs to complete the stages also vary. The timing of post hatching development by metamorphosis was found to vary based on the fish species from several days to weeks. Different factors like temperature, photoperiod, DO, seasonality and presence of chemicals in water were found to affect the early development of fish. The review included eighteen inland fishes and unearthed useful insights of their embryonic development and influence of different factors. As we expect, the outcome of the study would provide a baseline and would be very useful in conducting further research on the embryology of indigenous fishes of Bangladesh.
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Shardo, Judith D. "Comparative embryology of teleostean fishes. I. Development and staging of the american shad,Alosa sapidissima (Wilson, 1811)." Journal of Morphology 225, no. 2 (August 1995): 125–67. http://dx.doi.org/10.1002/jmor.1052250202.

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Renn, Suzy C. P., and Peter L. Hurd. "Epigenetic Regulation and Environmental Sex Determination in Cichlid Fishes." Sexual Development 15, no. 1-3 (2021): 93–107. http://dx.doi.org/10.1159/000517197.

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Studying environmental sex determination (ESD) in cichlids provides a phylogenetic and comparative approach to understand the evolution of the underlying mechanisms, their impact on the evolution of the overlying systems, and the neuroethology of life history strategies. Natural selection normally favors parents who invest equally in the development of male and female offspring, but evolution may favor deviations from this 50:50 ratio when environmental conditions produce an advantage for doing so. Many species of cichlids demonstrate ESD in response to water chemistry (temperature, pH, and oxygen concentration). The relative strengths of and the exact interactions between these factors vary between congeners, demonstrating genetic variation in sensitivity. The presence of sizable proportions of the less common sex towards the environmental extremes in most species strongly suggests the presence of some genetic sex-determining loci acting in parallel with the ESD factors. Sex determination and differentiation in these species does not seem to result in the organization of a final and irreversible sexual fate, so much as a life-long ongoing battle between competing male- and female-determining genetic and hormonal networks governed by epigenetic factors. We discuss what is and is not known about the epigenetic mechanism behind the differentiation of both gonads and sex differences in the brain. Beyond the well-studied tilapia species, the 2 best-studied dwarf cichlid systems showing ESD are the South American genus <i>Apistogramma</i> and the West African genus <i>Pelvicachromis</i>. Both species demonstrate male morphs with alternative reproductive tactics. We discuss the further neuroethology opportunities such systems provide to the study of epigenetics of alternative life history strategies and other behavioral variation.
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Edgecombe, Jonika, Lara Urban, Erica V. Todd, and Neil J. Gemmell. "Might Gene Duplication and Neofunctionalization Contribute to the Sexual Lability Observed in Fish?" Sexual Development 15, no. 1-3 (2021): 122–33. http://dx.doi.org/10.1159/000515425.

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Sex determination and differentiation varies widely across vertebrates, but is most dramatically diverse in fishes. Among fishes sex reversal and sex change are observed in 41 teleost families spanning 7 orders. These sex-changing fish perhaps highlight better than any other system that sex determination is not the narrow and fixed construct we once thought, but a plastic trait that is better viewed as a reaction norm. However, while this stunning transformation is increasingly understood, a fundamental question arises, which is why some fish species have retained this inherent plasticity in sexual fate, while others have not? Here, we explore our current understanding of sex change in fish, some of the factors that permit and constrain sex reversal, and posit that gene duplication and neofunctionalization contribute to the sexual lability observed in fish.
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Strüssmann, Carlos A., Yoji Yamamoto, Ricardo S. Hattori, Juan I. Fernandino, and Gustavo M. Somoza. "Where the Ends Meet: An Overview of Sex Determination in Atheriniform Fishes." Sexual Development 15, no. 1-3 (2021): 80–92. http://dx.doi.org/10.1159/000515191.

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Atheriniform fishes have recently emerged as attractive models for evolutionary, ecological, and molecular/physiological studies on sex determination. Many species in this group have marked temperature-dependent sex determination (TSD) and yet many species also have a sex determinant gene that provides a strong drive for male differentiation. Thus, in these species the 2 forms of sex determination that were once considered to be mutually exclusive, environmental (ESD) and genotypic (GSD) sex determination, can coexist at environmentally relevant conditions. Here, we review the current knowledge on sex determination in atheriniform fishes with emphasis on the molecular and physiological mechanisms of ESD and GSD, the coexistence and cross-talk between these 2 mechanisms, the possibility of extragonadal transduction of environmental information and/or extragonadal onset of sex determination, and the results of field studies applying novel tools such as otolith increment analysis and molecular markers of genetic sex developed for selected New World and Old World atheriniform species. We also discuss the existence of molecular and histological mechanisms to prevent the discrepant differentiation in parts of the gonads because of ambiguous or conflicting environmental and genetic signals and particularly the possibility that the female is the default state in these species.
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Fatma, Sana, Ravindra Kumar, Anshuman Dixit, and Rajeeb K. Swain. "Expression of two uncharacterized protein coding genes in zebrafish lateral line system." International Journal of Developmental Biology 65, no. 10-11-12 (2021): 563–70. http://dx.doi.org/10.1387/ijdb.210066rs.

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The lateral line system is a mechanosensory organ of fish and amphibians that detects changes in water flow and is formed by the coordinated action of many signalling pathways. These signalling pathways can easily be targeted in zebrafish using pharmacological inhibitors to decipher their role in lateral line system development at cellular and molecular level. We have identified two uncharacterized proteins, whose mRNA are expressed in the lateral line system of zebrafish. One of these proteins, uncharacterized protein LOC564095 precursor, is conserved across vertebrates and its mRNA is expressed in posterior lateral line primordium (pLLP). The other uncharacterized protein, LOC100536887, is present only in the teleost fishes and its mRNA is expressed in neuromasts. We show that inhibition of retinoic acid (RA) signalling reduces the expression of both of these uncharacterized genes. It is reported that inhibition of RA signalling during gastrulation starting at 7 hours post fertilization (hpf) abrogates pLLP formation, and inhibition of RA signalling at 10 hpf delays the initiation of pLLP migration. Here, we show that inhibition of RA signalling before and during segmentation (9-16 hpf) results in delayed initiation and reduced speed of pLLP migration, as well as inhibition of posterior neuromasts formation.
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Diogo, Rui. "Comparative anatomy, homologies and evolution of mandibular, hyoid and hypobranchial muscles of bony fish and tetrapods: a new insight." Animal Biology 58, no. 2 (2008): 123–72. http://dx.doi.org/10.1163/157075608x328017.

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AbstractThe Osteichthyes, including bony fishes and tetrapods, is a highly speciose group of vertebrates, comprising more than 42000 living species. The anatomy of osteichthyans has been the subject of numerous comparative studies, but these mainly concern osteological structures; much less attention has been paid to muscles. In fact, the most detailed and comprehensive myological comparative analyses that were actually based on a direct observation of representatives of various major osteichthyan groups were provided various decades by authors such as Luther, Kesteven and principally Edgeworth. The present work provides an updated discussion of the homologies and evolution of the osteichthyan mandibular, hyoid and hypobranchial muscles, based on the author's own analyses and on a survey of the literature, both old and recent. The risks of discussing muscle homologies on the basis of a single line of evidence, even when it concerns innervation or development, is emphasized. It is stressed than only by taking into consideration various lines of evidence (e.g. developmental biology, comparative anatomy, functional morphology, paleontology, molecular biology, experimental embryology, innervation and/or phylogeny) it is possible to establish well-grounded hypotheses of muscle homology.
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Sasagawa, Ichiro, and Mikio Ishiyama. "The structure and development of the collar enameloid in two teleost fishes, Halichoeres poecilopterus and Pagrus major." Anatomy and Embryology 178, no. 6 (September 1988): 499–511. http://dx.doi.org/10.1007/bf00305037.

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Dissertations / Theses on the topic "Fishes – Embryology"

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Woll, Steven Cody. "Insulin-like Growth Factor Pathway Described in Austrofundulus limnaeus Diapause and Escape Embryos." PDXScholar, 2016. https://pdxscholar.library.pdx.edu/open_access_etds/3207.

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Development in the annual killifish Austrofundulus limnaeus can follow two distinct developmental trajectories. Typical development includes the entrance of embryos into a state of metabolic and developmental arrest termed diapause. Alternately, embryos can escape diapause and develop directly without pause. These two trajectories are characterized by differences in the rate and timing of developmental, morphological, and physiological traits. Insulin and Insulin-like growth factor (IGF) signaling (IIS) is known to regulate entrance into diapause in a variety of invertebrates. In this thesis I explore the possible role of IGFs in the regulation of development and diapause in embryos of A. limnaeus. Here I report stage-specific expression of IGF-I and II proteins and their associated mRNA transcripts. Patterns of IGF-I protein expression are consistent with IGF signaling playing a major role in supporting the escape trajectory. In addition, treatment of embryos with a potent inhibitor of the IGF-I receptor (IGF1R) mimics the diapause developmental pattern even under conditions that should favor direct development. Evaluation of mRNA gene expression patterns in the two developmental trajectories suggests a role for IGF-I signaling through the RAS-MAPK-ERK pathway, which may be promoting the escape phenotype. Additionally, IGF-I activity may be enhanced in escape trajectory embryos though upregulation of IGF binding protein 2 (IGFBP-2) mRNA. These data suggest a major role for IGF signaling in the promotion of the escape trajectory, and thus we predict that specific mechanisms are in place in diapause-bound embryos that block IGF signaling and thus promote entrance into diapause. The data presented here suggest that blocking IGF signaling is critical for induction of diapause, but also suggests that other signaling pathways are likely also at play. Other pathways such at the TGF-beta signaling molecules and SMAD pathway, may also be involved in the direct regulation of the diapause phenotype, as has been shown for other animal models of developmental arrest.
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2

Fabré, Mitjans Noëlle. "Comportamiento reproductor en el blenio de río (Salaria fluviatilis): aspectos relacionados con la estrategia reproductiva del macho." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/284359.

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El blenio de río (Salaria fluviatilis) es un pez de agua dulce de distribución circum-mediterránea que se encuentra amenazado en muchos de los países en los que se ha descrito. Con tal de aportar información útil para su conservación, en la presente tesis, se abordaron diferentes aspectos de comportamiento como: las estrategias reproductivas, el desarrollo embrionario en función del cuidado parental, la personalidad y la capacidad de aprendizaje. En cuanto a la estrategia reproductiva, los resultados obtenidos revelan que la ausencia de machos dominantes más grandes promueve el desarrollo en caracteres sexuales secundarios (CSSs) y la adopción de la táctica parental en los machos jóvenes, mientras que su presencia inhibe estos procesos. La escasez de nidos, por su parte, estimula el crecimiento de la cresta cefálica. El estudio de desarrollo embrionario muestra que los embriones mantenidos con los progenitores presentan un mayor volumen de saco vitelino, una menor altura de cabeza y una menor longitud de mandíbula al nacer que los embriones mantenidos sin los progenitores. Ello sugiere que la presencia de ambos padres (especialmente del macho, quién tiene un contacto próximo con las puestas y presenta cuidado parental) podría afectar el desarrollo de los embriones y por tanto debería mantenerse en los programas en cautividad. En el estudio de personalidad se investiga si el tiempo que tardan los machos en emerger de un refugio al estar expuestos a un entorno nuevo se relaciona con el desarrollo en CSSs. Se observa que los machos que tardan menos en asomarse del refugio presentan más tarde, durante la época reproductora, un mayor desarrollo de la cresta cefálica y que los que salen completamente del refugio crecen más en longitud. Por último, en el estudio de aprendizaje espacial, se observa que los machos aprenden el ejercicio antes que las hembras y se relaciona la rapidez de aprender de dichos machos con el desarrollo de su cresta cefálica. Todas estas observaciones permiten comprender mejor cómo se adapta la especie a su entorno y pueden aportar información relevante para la conservación in situ así como en el ámbito de la cría en cautividad y de las reintroducciones.
The river blenny (Salaria fluviatilis) is a freshwater fish inhabiting the circum-Mediterranean region that has been described as threatened in many of the countries where it occurs. In order to provide useful information for its conservation, in the present thesis, different aspects related to behaviour were approached: reproductive strategies, embryo development related to parental care, personality and learning capacity. Results concerning reproductive strategies show that the absence of larger dominant males promotes the secondary sexual characteristics (SSCs) development and the parental status acquisition in young males, while their presence inhibits these processes. Nest limitation, meanwhile, stimulates the cephalic crest growth. Embryo development study reveals that embryos maintained with progenitors have a major yolk sac volume, a minor head height and a minor jaw length at birth than the embryos maintained without progenitors. This suggests that the presence of both parents (specially the male, who has a close contact with clutches and exhibit parental care) could affect embryo development and therefore should be maintained in captivity programs. In the study about personality, it is explored if the time to emerge from a refuge when exposed to a novel environment is related to SSCs development. Males that emerge faster from the refuge present later, during reproductive period, a major development of the cephalic crest, and those who exit completely the refuge grow more in body length. Finally, in the spatial learning study, it is observed that males learn faster the task than females and their rapidity to learn is associated to the cephalic crest development. All these observations allow us to understand better how this species adapts to the environment and might provide relevant information for the conservation in situ, captive breeding and reintroduction programs.
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Yeoh, Choo-Guan. "The effects of hormones on development of embryonic and post embryonic salmonids, and hormone metabolism during these stages." Thesis, 1993. http://hdl.handle.net/1957/36163.

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The importance of hormone reservoirs in mature teleost eggs is unknown. To elucidate the effects of hormones on embryonic development, steelhead trout eggs, Oncorhynchus mykiss, were immersed in either cortisol, testosterone, or thyroxine at two different stages of development. Elevated concentrations of cortisol were detectable in the trout eggs or embryos after immersion. Eggs exposed to cortisol during water hardening hatched faster than eggs exposed at the eyed stage. Eggs that hatched faster had elevated cortisol and cortisol glucuronide concentrations at hatch compared to groups immersed at eyed or control groups. The dedine of these elevated concentrations of cortisol and cortisol glucuronide during embryonic development suggest conversion, clearance or both. Eggs exposed to cortisol at the earlier developmental stage did not appear to clear or convert cortisol as efficiently as those exposed at a later stage. Testosterone did not accelerate hatching in steelhead trout. Thyroxine accelerated hatching in eggs immersed at the eyed stages but had no effect when given at water hardening. These eggs that hatched faster were more synchronous in hatching time compared to other groups. Prior to exogenous feeding (50 days post fertilization, dpf), animals immersed in cortisol when eye pigments had higher mean condition factor (Kn) than other experimental or control groups, but this effect was gone by 83 dpf. However, at 130 dpf, cortisol groups that were immersed at the eyed stage were again heavier, longer, and more robust than other groups. At 50 dpf, animals immersed in thyroxine at water hardening were significantly longer and less robust (smaller condition factor, Kn). These effects disappeared by 83 dpf.
Graduation date: 1993
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Books on the topic "Fishes – Embryology"

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Depêche, Jean. Embryology in fish: A review. Paris: Société Fraucaise d' Ichtyologie, 1994.

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S, Demski Leo, and Wourms John P, eds. The reproduction and development of sharks, skates, rays, and ratfishes. Dordrecht: Kluwer Academic Publishers, 1993.

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P, Serebri͡akov V., and Murmanskiĭ morskoĭ biologicheskiĭ institut, eds. IV Vsesoi͡uznai͡a konferent͡sii͡a po rannemu ontogenezu ryb, g. Murmansk, 28-30 senti͡abri͡a 1988 g. Moskva: [s.n.], 1988.

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Vsesoi͡uznai͡a konferent͡sii͡a po rannemu ontogenezu ryb (5th 1991 Astrakhanʹ, Russia). Tezisy dokladov V Vsesoi͡uznoĭ konferent͡sii po rannemu ontogenezu ryb: Astrakhanʹ, 1-3 okti͡abri͡a 1991 g. Moskva: Vses. nauchno-issl. in-t morskogo rybnogo khozi͡aĭstva i okeanografii, 1991.

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J, Babin Patrick, Cerdà Joan 1965-, and Lubzens Esther, eds. The fish oocyte: From basic studies to biotechnological applications. Dordrecht, the Netherlands: Springer, 2007.

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William, Detrich H., Westerfield Monte, Zon Leonard I, and American Society for Cell Biology., eds. The Zebrafish: Biology. San Diego: Academic Press, 1999.

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service), ScienceDirect (Online, ed. Zebrafish. Amsterdam: Elsevier/Academic Press, 2010.

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Medaka: A model for organogenesis, human disease, and evolution. Tokyo: Springer, 2011.

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Diwan, Ambika Prasad. Embryology of Fishes. Anmol Publications Pvt Ltd, 2004.

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Demski, Leo S. "The Reproduction and Development of Sharks, Skates, Rays and Ratfishes". Springer, 2010.

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Book chapters on the topic "Fishes – Embryology"

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Atkinson, Martin E. "Embryology of the head and neck." In Anatomy for Dental Students. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199234462.003.0030.

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Embryology and development have been covered after the main anatomical descriptions in the previous sections, but it is going to precede them in this section. The reason for this departure is that the embryonic development of the head and neck explains much of the mature anatomy which can seem illogical without its developmental history. The development of the head, face, and neck is an area of embryology where significant strides in our understanding have been made in the last few years. The development of the head is intimately related to the development of the brain outlined in Chapter 19 and its effects on shaping the head will be described in Chapters 32 and 33. The major thrust of this chapter is the description of the formation of structures called the pharyngeal (or branchial) arches and the fate of the tissues that contribute to them. All four embryonic germ layers contribute to the pharyngeal arches and their derivatives, hence to further development of the head and neck. Figure 21.1 is a cross section through the neck region of a 3-week old embryo after neurulation and folding described in Chapter 8. It shows the structures and tissues that contribute to the formation of the head and neck: • The neural tube situated posteriorly and the ectomesenchymal neural crest cells that arise as the tube closes; • The paraxial mesoderm anterolateral to the neural tube; • The endodermal foregut tube anteriorly; • The investing layer of ectoderm. The development of all these tissues is intimately interrelated. The pharyngeal arches are very ancient structures in the evolutionary history of vertebrates. The arches and their individual components have undergone many modifications during their long history. In ancestral aquatic vertebrates, as in modern fishes, water was drawn in through the mouth and expelled through a series of gill slits (or branchiae, hence the term ‘branchial arch’) in the sides of the pharynx. Oxygen was extracted as the water was passed over a gill apparatus supported by a branchial arch skeleton moved by branchial muscles controlled by branchial nerves. Although ventilation and respiration is now a function of the lungs in land vertebrates, the pharyngeal arches persist during vertebrate development.
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