SPERMATOGENOUS
Sper`ma*tog"e*nous, a. Etym: [Spermato- + -genous.] (Physiol.)

Defn: Sperm-producing.

SPERMATOGONIUM
Sper`ma*to*go"ni*um, n. Etym: [NL., fr. Gr. (Physiol.)

Defn: A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids.

SPERMATOID
Sper"ma*toid, a. Etym: [Spermato- + -oid.] (Physiol.)

Defn: Spermlike; resembling sperm, or semen.

SPERMATOON; SPERMATOOEN
Sper`ma*to"ön, n.; pl. Spermatoa. Etym: [NL., fr. Gr. (Anat.)

Defn: A spermoblast.
— Sper`ma*to"al, a. Owen.

SPERMATOPHORE
Sper"ma*to*phore, n. Etym: [Spermato- + Gr.

1. (Physiol.)