vitelline

adjective

1. of or relating to the egg yolk.
2. having a yellow color resembling that of an egg yolk.

adjective zoology

1. of or relating to the yolk of an eggthe vitelline gland
2. having the yellow colour of an egg yolk

adj.

1. Of, relating to, or associated with the yolk of an egg.

n.

1. The yolk of an egg.