the yellow spherical part of an egg that is surrounded by the albumen
capable of producing eggs and bearing offspring
the most primitive mammals comprising the only extant members of the subclass Prototheria
nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
the yellow spherical part of an egg that is surrounded by the albumen
animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
one of the two male reproductive glands that produce spermatozoa and secrete androgens
