The seminiferous tubules of immature males are small, lack lumina, and contain a few large but inactive spermatogonia (Pl.) [Please select]
0
1-5) begins in early May when a few spermatogonia appear in the seminiferous tubules. [Please select]
0
The primary spermatocyte arises by growth of one of the last generation of spermatogonia. [Please select]
0
Spermatogonia: the descendants of the primordial germ cells in the male. [Please select]
0
Nuclei of Sertoli cells, which outnumber the spermatogonia, are evident at the periphery of the tubules and the clear cytoplasm of the cells extends into and nearly fills the lumina. [Please select]
0
Spermatids appear in late June and a few of them undergo metamorphosis in early July; by mid-July, spermatids and secondary spermatocytes are the dominant cells in the seminiferous tubules, although spermatogonia are still active. [Please select]
Do you have a better example in your mind? Please submit your sentence!