A note on the cavdal neurosecretory system and seasonal changes observed in the urophysis of Rita rita (Blecker).
D000818:Animals; D005260:Female; D005399:Fishes / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D009490:Neurosecretory Systems / Q000033:anatomy & histology*; D012621:Seasons