Vitellus - Definition
vitellus
n 1: nutritive material of an ovum stored for the nutrition of
an embryo (especially the yellow mass of a bird or reptile
egg) [syn: yolk, vitellus]
n 1: nutritive material of an ovum stored for the nutrition of
an embryo (especially the yellow mass of a bird or reptile
egg) [syn: yolk, vitellus]