Having or containing a yolk or yolks. Chiefly with modifying word, as double-yolked, large-yolked, etc.

producing the vitellus or yolk.

Biology. Of or belonging to the vitellus or yolk of an egg.

General attributive (chiefly in sense 1c), as yolk cell, yolk gland, yolk mass, etc.

Of or belonging to the vitellus; vitelline.

= vitelliferous adj.

= vitelliferous adj.

producing the vitellus or yolk.

Of an ovum: containing no yolk or little yolk; = microlecithal adj. at micro-, comb._form affix 1a(d).

having the yolk in the centre of the egg or egg cell; cf. telolecithal adj. at telo-, comb._form1 affix.

(of an egg cell) having the yolk unevenly distributed in the cytoplasm.

(of an egg cell) having the yolk uniformly distributed throughout the cytoplasm.

= vitelliferous adj.

= homolecithal adj. at homo-, comb._form affix 1.

Of or relating to the yolk of an egg (= vitelline, adj. 2). Also: of or relating to both the ovum and the yolk; spec. designating a duct in…