Transverse section of a tubule of the testis of a rat. X 250.
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|colspan="2"|[subject #258 ]
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A Spermatogonium (plural: spermatogonia) is an intermediary male gametogonium (a kind of germ cell) in the production of spermatozoa. These germ cells can be divided into Type A, In (intermediate), and Type B Spermatogonia. Included in the Type A spermatogonia are a subset of cells from which all germ cells are derived; the Spermatogonial Stem Cells.
Spermatogonia are the primitive differentiated malegerm cells which give rise to primary spermatocytes, through the first meiotic division. Spermatocytes are diploidcells which divide by a second round of meiosis to produce the haploid round and elongated spermatids and finally mature spermatozoa.
Source: This article includes material from [Biology Online].
