Among animals which produce eggs, the yolk (/ˈjoʊk/; also known as the vitellus) is the nutrient-bearing portion of the egg whose primary function is to...

occurs in the Indian Ocean off Madagascar. Natica vitellus (Linnaeus, 1758). Gofas, S. (2009). Natica vitellus (Linnaeus, 1758). In: Bouchet, P.; Gofas, S.;...

the cowries. Lyncina vitellus dama (Perry, 1811) Lyncina vitellus polynesiae Schilder & Schilder 1939 Lyncina vitellus vitellus orcina Iredale, 1931 The...

internal fertilisation, where the female lays zygotes as eggs with important vitellus (typically birds) Ovoviviparity can be thought of as a form of oviparity...

thousands of years. Bird and reptile eggs consist of albumen (egg white) and vitellus (egg yolk), contained within many different thin membranes all surrounded...

Acrolophus vitellus is a moth of the family Acrolophidae. It is found on Cuba. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin...

Crambus sublicellus Zeller, 1863 Crambus transcissalis Walker, 1863 Crambus vapidus Butler, 1877 Crambus rapidus Dugdale, 1988 Crambus vitellus Walker, 1863...

(perisperm) was referred to as albumen, and the inner endosperm layer as vitellus. Although misleading, the term began to be applied to all the nutrient...

amnion, forms the amniotic sac and encloses the amnion, vitellus, and the embryo The vitellus, or yolk, is the nutrient-bearing portion of the egg, containing...

reptile eggs consist of a protective eggshell, albumen (egg white), and vitellus (egg yolk), contained within various thin membranes. Popular choices for...