spermatozoon

The mature male gamete of an animal, usually consisting of a nucleate head, a short neck, and a thin motile tail.

One of the numberless microscopic bodies contained in semen, to which the seminal fluid owes its vitality, and which are the immediate and active means of impregnating or fertilizing the ovum of the female; a spermatic cell or filament; a spermatozoan or spermatozooid.

A genus of animalcules.

Same as spermatozoid.

The reproductive cell or gamete of the male, carried in semen, that fertilizes the ovum to produce the zygote.

the male reproductive cell; the male gamete