Definition of Anamniotes. Meaning of Anamniotes. Synonyms of Anamniotes

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Definition of Anamniotes

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Meaning of Anamniotes from wikipedia

- The anamniotes are an informal group comprising the fishes and the amphibians, the so-called "lower vertebrates", which lay their eggs in water. They are...
- the fertilized egg within the mother, and are distinguished from the anamniotes (fishes and amphibians), which typically lay their eggs in water. Older...
- reptiles (including birds) as amniotes. Of the vertebrates, only the anamniotes (amphibians and non-tetrapod fish) lack this structure. This sac-like...
- inhibitory neurons. This structure is very similar to that found generally in anamniotes, though cartilaginous fishes do show a layered arrangement of their pallial...
- from the posterior nephric ridge. The functional embryonic kidney in anamniotes is the pronephros. Kerr coined the term ‘opisthonephros’ in 1919. In 1949...
- that it evolved from a bipartite organization with the transition from anamniotes to amniotes. Reflecting the substantial increase in the DNA intergenic...
- percent of described species Best estimate of percent of threatened species Anamniotes lay eggs in water Amphibians 7,302 1,957 88% 41% Amniotes adapted to lay...
- informally into mammals, sauroids, and ichthyoids (the latter containing the anamniotes), based on the gaps in physiological traits and lack of transitional fossils...
- groups Image Cl**** Estimated number of described species Group totals Anamniote lack amniotic membrane so need to reproduce in water Jawless Fish Myxini...
- (non-amphibian tetrapods) have cranial nerves similar to those of humans. In anamniotes (fishes and amphibians), the accessory nerve (XI) and hypoglossal nerve...
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