The post-nuptial occurrence of progestins in the seminiferous tubules of birds.
D000818:Animals; D001717:Birds; D006801:Humans; D008297:Male; D011374:Progesterone / Q000737:chemistry*; D011372:Progestins; D012671:Seminiferous Tubules; D013737:Testis / Q000737:chemistry*
D011372:Progestins; D011374:Progesterone
PROGESTERONE/chemistry; TESTIS/chemistry