spermatogonium

n., pl., -ni·a (-nē-ə).
Any of the cells of the gonads in male organisms that are the progenitors of spermatocytes.

[New Latin : SPERMATO- + -gonium, seed; see spermagonium.]

spermatogonial sper·mat'o·go'ni·al (-nē-əl) adj.

(spər-măt'ə-gō'nē-əm, spûr'mə-tə-)
n., pl. -ni·a (-nē-ə).

Any of the cells of the gonads in male organisms that are the progenitors of spermatocytes. Also called spermatoblast.

Pl. spermatogonia [Gr.] an undifferentiated male germ cell, originating in a seminal tubule and dividing into a new generation of spermatogonia or into two spermatocytes.