Analogous Organs
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
This article defines analogous organs as structures that share the same physiological function despite having different embryonic origins. It provides examples such as the jaws of vertebrates versus insects, and the wings of insects versus birds.
Encyclopedia entry (1928–1936)
ANALOGOUS ORGANS, organs of different embryonic origin but identical physiological function; analogous organs include, for example, the jaws of vertebrates, which originated from gill arches, and the jaws of insects, which are a modification of limbs; the wings of insects and birds, and the gills of crustaceans, mollusks, and fish.
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Cite this page
“Analogous Organs.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/analogous-organs/