yolk stalk
1yolk stalk — n. a short, thick, tubular stalk between the embryo and the yolk sac …
2yolk stalk — yolk′ stalk n. dvl a tubular connection between the yolk sac and the embryonic gut in the developing embryo • Etymology: 1895–1900 …
3yolk stalk — noun : the narrow tubular stalk connecting the yolk sac with the embryo * * * a tubular connection between the yolk sac and the embryonic gut in the developing embryo. [1895 1900] * * * yolk stalk, a narrow, ductlike part that unites the yolk sac …
4Yolk stalk — A narrow tube present in the early embryo that connects the midgut of the embryo to the yolk sac outside the embryo through the umbilical opening. Later in development, the yolk stalk is usually obliterated, but a remnant of it may persist: most… …
5yolk stalk — noun Date: 1900 the narrow tubular stalk connecting the yolk sac with the embryo …
6yolk stalk — a tubular connection between the yolk sac and the embryonic gut in the developing embryo. [1895 1900] * * * …
7yolk stalk — n. (Medicine) narrow tube that connects the yolk sac with the midgut of the embryo …
8Yolk sac — Not all yolk has to do with birds’ eggs. Human embryos have a yolk sac, a membrane outside the embryo but connected by a tube (the yolk stalk) though the umbilical opening to the embryo’s midgut. The yolk sac serves as an early site for …
9yolk sac — noun 1. membranous structure that functions as the circulatory system in mammalian embryos until the heart becomes functional • Syn: ↑vitelline sac, ↑umbilical vesicle, ↑vesicula umbilicus • Hypernyms: ↑sac 2. membranous structure enclosing the… …
10yolk sac — noun Date: 1861 a membranous sac of most vertebrates that encloses the yolk, is attached in most forms (as in humans) through the yolk stalk with the intestinal cavity of the embryo, and is supplied with blood vessels that transport nutritive… …