The dorsal mesentery in fishes, amphibia and reptiles contains smooth muscular fibers derived from the mesoderm. |
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The coloured corpuscles of amphibia as well as of nearly all vertebrates below mammals are biconvex and elliptical. |
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Worms, amphibia, fishes, and snails form another group which excrete much less carbonic acid. |
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The first experiments in cloning by nuclear transplantation were conducted in the 1960s on amphibia. |
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In amphibia and fish, some parts of the brain and spinal cord will regenerate the long fibers, which are called axons. |
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Do you take me for an animal of the class amphibia, and that I can play with my lungs as a blacksmith does with his bellows? |
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Aglossa, a sub-order of anurous amphibia, the frogs, without a tongue. |
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Reptiles, amphibia, and snakes feature prominently in bocio arts as well. |
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Other examples are afforded by the alimentary tract of some of the Amphibia and Reptilia. |
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The forelimb is transitional between the pectoral fin of Rhipidistia and the limb of early Amphibia. |
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There are no vomerine, palatine, or pterygoid teeth, such as are met with in Amphibia and Reptilia. |
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Its upper end exhibits a tendency to divide into two processes, corresponding with the pedicle and otic processes of the Amphibia. |
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The observations on the development of the pelvic girdle in the Amphibia and Amniota are nearly as scanty as on those of Fishes. |
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In the Amphibia the two parts are not separated, and resemble in this respect the pelvic girdle of Fishes. |
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Owing to the development of the common iliac veins there is no renal portal system like that of the Reptilia and Amphibia. |
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For a long time the pronephros and its duct form the only excretory organs of larval Amphibia. |
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All that we know of the biology of the Amphibia is in accordance with this. |
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The knowledge of naturalists respecting reptiles or Amphibia has been increased in a surprising manner of late years. |
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At this time, too, appeared the earliest Reptiles, chiefly of the Amphibia sub-class. |
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This cavity is the segmentation cavity equivalent to that present in amphioxus, Amphibia, etc. |
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In Amphibia and Amniota the posterior nares also open well within the boundary of the buccal cavity. |
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A single toad ilium from the late Pleistocene represents the first report of the class Amphibia from the Michigan fossil record. |
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The upper of the two, or fenestra ovalis, contains the base of a bone, known in the Sauropsida and Amphibia as the columella. |
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The heterotypic maturation mitosis in Amphibia and its general significance. |
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In Amphibia the specialisation of the opening appears to have gone so far that it no longer has any relation to the pronephros. |
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In the intervertebral regions the cartilage becomes thickened, as in Amphibia, and gradually constricts the notochord. |
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Intermediate links are lacking between Amphibia and Reptiles. |
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There was one amongst the number said to belong to the Amphibia. |
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The first aquatic creatures were succeeded by the Amphibia, the reptiles. |
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A new order of fishlike Amphibia from the Pennsylvanian of Kansas. |
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The two condyles of Amphibia are purely exoccipital in origin. |
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