Cytological changes in the pars distalis of pituitary of the green frog, Rana esculenta L., during the reproductive cycle.
D000311:Adrenal Glands / Q000502:physiology; D000818:Animals; D001001:Anura / Q000033:anatomy & histology*; D004971:Estrus; D005260:Female; D006605:Hibernation; D008297:Male; D010060:Ovulation; D010904:Pituitary Gland, Posterior / Q000166:cytology* / Q000502:physiology; D011247:Pregnancy; D012621:Seasons