Studies on the mechanism of the spermatic release of the male North American frog (Rana pipiens); reaction to various hormones.
D000818:Animals; D001001:Anura; D005835:Genitalia; D005837:Genitalia, Male / Q000502:physiology*; D008297:Male; D011894:Rana pipiens; D013094:Spermatozoa; D014481:United States
FROGS; GENITALIA, MALE/physiology