Correlative cyclical changes in the pituitary gland and the testis of a catfish, Clarias batrachus (Linn.).
D000818:Animals; D001835:Body Weight; D002452:Cell Count; D003594:Cytoplasmic Granules; D005399:Fishes / Q000033:anatomy & histology* / Q000502:physiology; D008297:Male; D009929:Organ Size; D010902:Pituitary Gland / Q000033:anatomy & histology* / Q000502:physiology; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology* / Q000502:physiology