Definition, Meaning & Synonyms

vitellus

noun

/vɪˈtɛləs/

Definition

the yolk of an egg, specifically the yellow part found in the eggs of birds and reptiles, which serves as a nutrient source for the developing embryo.

Examples

The vitellus in a chicken egg is rich in proteins and fats, making it an excellent food source for the embryo.
In the study of embryology, understanding the role of the vitellus is crucial for grasping early development stages.

Meaning

Vitellus is primarily associated with the nutritional component of eggs, providing essential sustenance during the early stages of development in many organisms.