The circadian basis of specific gonadotrophin release in relation to avian spermatogenesis.
D000818:Animals; D001717:Birds; D006063:Chorionic Gonadotropin / Q000097:blood; D002940:Circadian Rhythm; D005640:Follicle Stimulating Hormone / Q000096:biosynthesis; D006062:Gonadotropins / Q000378:metabolism*; D006651:Histocytochemistry; D007985:Leydig Cells; D008027:Light; D007986:Luteinizing Hormone / Q000096:biosynthesis; D008297:Male; D011863:Radioimmunoassay; D012621:Seasons; D013094:Spermatozoa; D013737:Testis / Q000033:anatomy & histology
D006063:Chorionic Gonadotropin; D006062:Gonadotropins; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone