gnathostome


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Related to gnathostome: superclass Gnathostomata

gnath·o·stome

 (năth′ə-stōm′)
n.
Any of numerous animals of the group Gnathostomata, consisting of all vertebrates with jaws and including the mammals, birds, reptiles, amphibians, and fishes except for lampreys and hagfishes.

[From New Latin Gnathostomata, taxon name : Greek gnathos, jaw; see genu- in Indo-European roots + Greek stoma, stomat-, mouth.]

gnath′o·stome′ adj.

gnathostome

(ˈneɪθəʊˌstəʊm)
n
(Zoology) any vertebrate of the superclass Gnathostomata, having a mouth with jaws, including all vertebrates except the agnathans
[from New Latin Gnathostomata, from Greek gnathos jaw + stoma mouth]
ˌgnathoˈstomatous adj
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gnathostome - a vertebrate animal possessing true jaws
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
Gnathostomata, superclass Gnathostomata - comprising all vertebrates with upper and lower jaws
References in periodicals archive ?
Only a specific result about the origin of gnathostome internal fertilization, which Elga obtained together with a group of colleagues from different countries and was published in Nature a year before her death, should be added as an achievement in palaeontology the most praised by the press of Estonia.
A sea lamprey glycoprotein hormone receptor similar with gnathostome thyrotropin hormone receptor.
The research findings described in this media release can be found in the 9 January, 2014 issue of Nature Journal, under the title, "Elephant shark genome provides unique insights into gnathostome evolution" by Byrappa Venkatesh,1,2, Alison P.
The 13 papers in this collection describe such fish olfaction topics as the development and evolution of the olfactory organ in Gnathostome fish, responses to amino acids in rainbow trout, olfactory discrimination, recordings of stimulated goldfish, cross-adaptation, alarm reactions, solitary chemosensory cells, the Barbel taste system in catfish and goatfish, taste bud cells and their behavior, the role of gustation in comparisons of species based on volumetric brain data, and taste tests for the nine-spined stickleback from the Moscow River and White Sea basins.
Copulation in antiarch placoderms and the origin of gnathostome internal fertilization.
In fact, functional evidence for different aspects of this putative network often conflicts between gnathostome models.
Such a very fine pattern has been observed on the scales of both agnathans and gnathostome fishes (Marss 2006) in the Palaeozoic, and some details of the external surface of scales and tubercles have been illustrated in publications on histology (e.
1984) and invertebrate chordates, myelination most likely developed in the common gnathostome ancestor.