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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10128272%21RIV14-GA0-11310___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1111/j.1469-7580.2012.01540.x
dcterms:description
The vertebrate oral region represents a key interface between outer and inner environments, and its structural and functional design is among the limiting factors for survival of its owners. Both formation of the respective oral opening (primary mouth) and establishment of the food-processing apparatus (secondary mouth) require interplay between several embryonic tissues and complex embryonic rearrangements. Although many aspects of the secondary mouth formation, including development of the jaws, teeth or taste buds, are known in considerable detail, general knowledge about primary mouth formation is regrettably low. In this paper, primary mouth formation is reviewed from a comparative point of view in order to reveal its underestimated morphogenetic diversity among, and also within, particular vertebrate clades. In general, three main developmental modes were identified. The most common is characterized by primary mouth formation via a deeply invaginated ectodermal stomodeum and subsequent rupture of the bilaminar oral membrane. However, in salamander, lungfish and also in some frog species, the mouth develops alternatively via stomodeal collar formation contributed both by the ecto- and endoderm. In ray-finned fishes, on the other hand, the mouth forms via an ectoderm wedge and later horizontal detachment of the initially compressed oral epithelia with probably a mixed germ-layer derivation. A very intriguing situation can be seen in agnathan fishes: whereas lampreys develop their primary mouth in a manner similar to the most common gnathostome pattern, hagfishes seem to undergo a unique oropharyngeal morphogenesis when compared with other vertebrates. The vertebrate oral region represents a key interface between outer and inner environments, and its structural and functional design is among the limiting factors for survival of its owners. Both formation of the respective oral opening (primary mouth) and establishment of the food-processing apparatus (secondary mouth) require interplay between several embryonic tissues and complex embryonic rearrangements. Although many aspects of the secondary mouth formation, including development of the jaws, teeth or taste buds, are known in considerable detail, general knowledge about primary mouth formation is regrettably low. In this paper, primary mouth formation is reviewed from a comparative point of view in order to reveal its underestimated morphogenetic diversity among, and also within, particular vertebrate clades. In general, three main developmental modes were identified. The most common is characterized by primary mouth formation via a deeply invaginated ectodermal stomodeum and subsequent rupture of the bilaminar oral membrane. However, in salamander, lungfish and also in some frog species, the mouth develops alternatively via stomodeal collar formation contributed both by the ecto- and endoderm. In ray-finned fishes, on the other hand, the mouth forms via an ectoderm wedge and later horizontal detachment of the initially compressed oral epithelia with probably a mixed germ-layer derivation. A very intriguing situation can be seen in agnathan fishes: whereas lampreys develop their primary mouth in a manner similar to the most common gnathostome pattern, hagfishes seem to undergo a unique oropharyngeal morphogenesis when compared with other vertebrates.
dcterms:title
Development and evolution of the vertebrate primary mouth Development and evolution of the vertebrate primary mouth
skos:prefLabel
Development and evolution of the vertebrate primary mouth Development and evolution of the vertebrate primary mouth
skos:notation
RIV/00216208:11310/13:10128272!RIV14-GA0-11310___
n18:predkladatel
n21:orjk%3A11310
n3:aktivita
n9:Z n9:P n9:I
n3:aktivity
I, P(GA206/09/1007), Z(MSM0021620828)
n3:cisloPeriodika
1
n3:dodaniDat
n12:2014
n3:domaciTvurceVysledku
n16:6957617 n16:9256660 n16:3638510
n3:druhVysledku
n17:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
69056
n3:idVysledku
RIV/00216208:11310/13:10128272
n3:jazykVysledku
n22:eng
n3:klicovaSlova
wedge; stomodeum; primary mouth; oral membrane; endoderm; ectoderm; collar
n3:klicoveSlovo
n5:oral%20membrane n5:ectoderm n5:stomodeum n5:endoderm n5:primary%20mouth n5:wedge n5:collar
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[AB687A983ABF]
n3:nazevZdroje
Journal of Anatomy
n3:obor
n4:EG
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n15:GA206%2F09%2F1007
n3:rokUplatneniVysledku
n12:2013
n3:svazekPeriodika
222
n3:tvurceVysledku
Horáček, Ivan Soukup, Vladimír Černý, Robert
n3:wos
000312648500008
n3:zamer
n8:MSM0021620828
s:issn
0021-8782
s:numberOfPages
21
n19:doi
10.1111/j.1469-7580.2012.01540.x
n20:organizacniJednotka
11310