Release of sperm cells in the frog, Rana esculenta L., induced by a pituitary extract, probably without gonadotrophic activity.
D000818:Animals; D001001:Anura / Q000502:physiology*; D008297:Male; D010902:Pituitary Gland; D013094:Spermatozoa / Q000187:drug effects*; D013268:Stimulation, Chemical; D014020:Tissue Extracts / Q000494:pharmacology*
D014020:Tissue Extracts