Histomorphology and seasonal cycle of the spermary and sperm duct in a teleost. Notopterus notopterus (Pallas).
D000818:Animals; D005399:Fishes; D008297:Male; D010507:Periodicity; D012621:Seasons; D013094:Spermatozoa / Q000166:cytology*; D013696:Temperature; D013737:Testis / Q000033:anatomy & histology*