any of the male reproductive cells released in the semen during ejaculation, consisting of a flattened egg-shaped head, a long neck, and a whiplike tail by which it moves to fertilize the female ovum
Also called: sperm, zoosperm
Derived forms
spermatozoal (ˌspermatoˈzoal) or spermatozoan (ˌspermatoˈzoan) or spermatozoic (ˌspermatoˈzoic)
the male germ cell, found in semen, which penetrates the ovum, or egg, of the female to fertilize it: typically it consists of a head containing a largenucleus, a small midsection, and a whiplike tail used for locomotion