Amniotes
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
This article defines the Amniota as a group of vertebrates that possess an embryonic membrane called the amnion during their development. It distinguishes this group from other vertebrates, such as fish and amphibians, which lack this structure.
Encyclopedia entry (1928–1936)
AMNIOTES, Amniota, a group of vertebrates (reptiles, birds, and mammals) that possess an embryonic membrane—the amnion (see)—during their development; they are contrasted with the remaining vertebrates, which lack it (fish and amphibians).
Related articles
Cite this page
“Amniotes.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/amniotes/