yolk sac
A native or inhabitant of Lutetia.
plural of nephrotic
(anatomy) A membranous sac attached to an embryo, providing early nourishment in the form of yolk in bony fishes, sharks, reptiles, birds, and primitive mammals.
Third-person singular simple present indicative form of polish a turd
初期の発生過程で、胚の卵黄嚢は胎盤が形成される前に重要な栄養を供給します。
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