Spermatogonia

Spermatogonia
[Gr. spermatos - seed, semen; Gr. gone - seed]. Diploid germ cells in the testis of males that gives rise to spermatocytes through repeated mitotic divisions.
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Spermatogonia
divide by mitosis to produce more spermatogonia or
differentiate into spermatocytes.
Meiosis of each spermatocyte produces 4 haploid spermatids. This process takes over three weeks to complete.
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spermatogonia: primitive cells within the seminiferous tubules that undergo a series of changes and then meiosis to yield sperm cells.
sperm cells: haploid cells within the male testes.
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spermatogonia
[Gk. sperma, seed + gonos, a child, the young]
The unspecialized diploid (2n) cells on the walls of the seminiferous tubules that, by enlargement, differentiation, and meiotic division, become spermatocytes, then spermatids, ...
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Stem cells (Type A spermatogonia; singular = spermatogonium) divide mitotically to replace themselves and to produce cells that begin differentiation (Type B spermatogonia).
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High-efficiency mutagenesis in mouse spermatogonial stem cells, using the supermutagen N-ethyl-N-nitrosourea (ENU) to induce point mutations in single genes, ...
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They start off as spermatogonia , undergoing mitosis becoming a type A spermatogonium or a type B spermatogonium. Type B spermatogonia become primary spermatocytes.
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