Definition of allantois
allantoides
play \ˌa-lən-ˈtō-ə-ˌdēz, ˌa-ˌlan-\: a vascular fetal membrane of reptiles, birds, and mammals that is formed as a pouch from the hindgut and that in placental mammals is intimately associated with the chorion in formation of the placenta
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Origin and Etymology of allantois
New Latin, ultimately from Greek allant-, allas sausage
First Known Use: 1615
Medical Dictionary
allantois
playMedical Definition of allantois
allantoides
\ˌal-ən-ˈtō-ə-ˌdēz, ˌal-ˌan-\play play: a vascular fetal membrane of reptiles, birds, or mammals that is formed as a pouch from the hindgut and that in placental mammals is intimately associated with the chorion in formation of the placenta
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Britannica.com: Encyclopedia article about allantois
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