Skip to Main Content
Table 2.

Brachyhypopomus pinnicaudatus spermatogenesis

StageDiameter (μm)NucleusCytoplasmLocation
Spermatogonia 5—10 Spherical Lightly basophilic Isolated or in small groups 
  Peripheric condensed chromatin   
Spermatocyte 3—5 Spherical, granular chromatin Thin Grouped in cysts 
Spermatid 1.5—2.5 Spherical, strongly basophilic Scarce Grouped in cysts 
Spermatozoa 0.5—2 Spherical, strongly basophilic Practically non visible Mainly free in lumen 
StageDiameter (μm)NucleusCytoplasmLocation
Spermatogonia 5—10 Spherical Lightly basophilic Isolated or in small groups 
  Peripheric condensed chromatin   
Spermatocyte 3—5 Spherical, granular chromatin Thin Grouped in cysts 
Spermatid 1.5—2.5 Spherical, strongly basophilic Scarce Grouped in cysts 
Spermatozoa 0.5—2 Spherical, strongly basophilic Practically non visible Mainly free in lumen 

Male germ cells were classified according to their size and main morphological characteristics.

Close Modal

or Create an Account

Close Modal
Close Modal