Ductus epididymis | Histological & histochemical characteristics | Reproductive periods | |||||||
---|---|---|---|---|---|---|---|---|---|
EFA (Jan) | FA (Feb) | R (Mar–Apr) | SR (May) | SA (Jun–Jul) | Rg (Aug) | Q (Sep–Oct) | FR (Nov–Dec) | ||
Initial segment | Epithelium | PC | PC | PC | PC | PC | PC | PC/SCu | PC |
PAS | + | + | + | + | + | + | + | + | |
AB pH 1.0 | – | – | – | – | – | – | + | – | |
AB pH 2.5 | – | – | – | – | – | – | + | – | |
BB | + | + | + | + | + | + | + | + | |
Spermatozoa | + | + | + | + | + | + | – | – | |
Residual round germ cells | – | – | + | + | – | – | + | + | |
Caput | Epithelium | PC | PC | PC | PC | PC | PC | PC/SCu | PC |
PAS | + | + | + | + | + | + | + | + | |
AB pH 1.0 | – | – | – | – | – | – | + | – | |
AB pH 2.5 | – | – | – | – | – | – | + | – | |
BB | + | + | + | + | + | + | + | + | |
Spermatozoa | + | + | + | + | + | + | – | – | |
Residual round germ cells | – | – | + | + | – | – | + | + | |
Corpus | Epithelium | PC | PC | PC | PC | PC | PC | PC/SCu | PC |
PAS | + | + | + | + | + | + | + | + | |
AB pH 1.0 | – | – | – | – | – | – | + | – | |
AB pH 2.5 | – | – | – | – | – | – | + | – | |
BB | + | + | + | + | + | + | + | + | |
Spermatozoa | + | + | + | + | + | + | – | + | |
Residual round germ cells | – | – | + | + | – | – | + | + | |
Cauda | Epithelium | PC | PC | PC | PC/SCu | PC | PC/SCu | SSq | SCu |
PAS | + | + | + | + | + | + | – | + | |
AB pH 1.0 | – | – | – | – | – | – | + | – | |
AB pH 2.5 | – | – | – | – | – | – | + | – | |
BB | + | + | + | + | + | + | + | + | |
Spermatozoa | + | + | + | + | + | + | – | + | |
Residual round germ cells | – | – | + | + | – | – | + | + |