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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F10%3A10082376%21RIV11-GA0-11310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Polypterid fishes are considered the basal-most group of extant actinopterygians and thus may serve as a direct link to understand the evolution of the first bony fishes. Embryonic and larval specimens, however, are extremely scarce, making it difficult to study their developmental patterns and processes. During the past few years we collected many embryos and larvae of the Senegal bichir Polypterus senegalus and in this paper we describe some novel observations concerning the supposed ecto-endoderm border in the mouth and consecutive initiation of dental development. The mouth of the Senegal bichir does not develop via a classical oropharyngeal membrane but instead, opening the mouth occurs via a separation of the upper and lower jaws that are connected by epithelial bridges. These structures are bilaterally symmetrical and are found invariantly at places of the earliest tooth bud development. Polypterid fishes are considered the basal-most group of extant actinopterygians and thus may serve as a direct link to understand the evolution of the first bony fishes. Embryonic and larval specimens, however, are extremely scarce, making it difficult to study their developmental patterns and processes. During the past few years we collected many embryos and larvae of the Senegal bichir Polypterus senegalus and in this paper we describe some novel observations concerning the supposed ecto-endoderm border in the mouth and consecutive initiation of dental development. The mouth of the Senegal bichir does not develop via a classical oropharyngeal membrane but instead, opening the mouth occurs via a separation of the upper and lower jaws that are connected by epithelial bridges. These structures are bilaterally symmetrical and are found invariantly at places of the earliest tooth bud development.
dcterms:title
Mouth development in the Senegal bichir Polypterus senegalus does not involve the oropharyngeal membrane: possible implications for the ecto-endoderm boundary and tooth initiation. Mouth development in the Senegal bichir Polypterus senegalus does not involve the oropharyngeal membrane: possible implications for the ecto-endoderm boundary and tooth initiation.
skos:prefLabel
Mouth development in the Senegal bichir Polypterus senegalus does not involve the oropharyngeal membrane: possible implications for the ecto-endoderm boundary and tooth initiation. Mouth development in the Senegal bichir Polypterus senegalus does not involve the oropharyngeal membrane: possible implications for the ecto-endoderm boundary and tooth initiation.
skos:notation
RIV/00216208:11310/10:10082376!RIV11-GA0-11310___
n3:aktivita
n4:P n4:Z n4:S
n3:aktivity
P(GA206/09/1007), S, Z(MSM0021620828)
n3:cisloPeriodika
26
n3:dodaniDat
n14:2011
n3:domaciTvurceVysledku
n6:9256660 n6:3638510
n3:druhVysledku
n8:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
272724
n3:idVysledku
RIV/00216208:11310/10:10082376
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Polypterus; bichir; Senegal; development; Mouth
n3:klicoveSlovo
n7:Senegal n7:development n7:Mouth n7:Polypterus n7:bichir
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[CA1D51D50296]
n3:nazevZdroje
Journal of Applied Ichthyology
n3:obor
n16:EG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n10:GA206%2F09%2F1007
n3:rokUplatneniVysledku
n14:2010
n3:svazekPeriodika
26
n3:tvurceVysledku
Horáček, Ivan Černý, Robert Kralovic, M.
n3:wos
000276655800008
n3:zamer
n15:MSM0021620828
s:issn
0175-8659
s:numberOfPages
4
n13:organizacniJednotka
11310