yolk sac lietuviškai
yolk sac vertimas
- n biol. trynio maišas
Paaiškinimas anglų kalba
- membranous structure enclosing the yolk of eggs in birds, reptiles, marsupials, and some fishes; circulates nutrients to the developing embryo
- membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional
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