Vitelline-membrane
noun
1.
the membrane surrounding the egg yolk.
vitelline membrane
/vɪˈtɛlɪn, -aɪn/
noun
1.
(zoology) a membrane that surrounds a fertilized ovum and prevents the entry of other spermatozoa
vitelline membrane n.
The membrane enveloping the yolk of an egg. Also called ovular membrane, yolk membrane.
The pellucid zone of a mammalian ovum. Also called yolk membrane.
Read Also:
- Vitelline vessel
vitelline vessel n. The artery that carries blood to the yolk sac from the embryo. The vein that carries blood from the yolk sac to the embryo.
- Vitellogenesis
[vi-tel-oh-jen-uh-sis, vahy-] /vɪˌtɛl oʊˈdʒɛn ə sɪs, vaɪ-/ noun, Embryology. 1. the process by which the yolk is formed and accumulated in the ovum.
- Vitellogenic
/ˌvɪtələʊˈdʒɛnɪk/ adjective 1. (zoology) producing or stimulating the formation of yolk
- Vitellointestinal cyst
vitellointestinal cyst vi·tel·lo·in·tes·ti·nal cyst (vīt’l-ō-ĭn-těs’tə-nəl, vĭt’-) n. A small tumor at the umbilicus of an infant, caused by the persistence of a segment of the vitellointestinal duct.
- Vitellus
noun, plural vitelluses. 1. the yolk of an egg. noun (pl) -luses, -li (-laɪ) 1. (zoology, rare) the yolk of an egg vitellus vi·tel·lus (vĭ-těl’əs, vī-) n. pl. vi·tel·lus·es The yolk of an egg.