Changes in the reproductive system of the male rat associated with proximity of the female.
D000818:Animals; D001307:Auditory Perception; D002369:Castration; D004971:Estrus; D005260:Female; D005837:Genitalia, Male / Q000502:physiology*; D007986:Luteinizing Hormone / Q000032:analysis; D008297:Male; D010675:Pheromones; D010902:Pituitary Gland / Q000032:analysis; D011247:Pregnancy; D051381:Rats; D012098:Reproduction; D012737:Sex Factors; D012726:Sexual Behavior, Animal; D012903:Smell; D013739:Testosterone / Q000097:blood; D014796:Visual Perception
D010675:Pheromones; D013739:Testosterone; D007986:Luteinizing Hormone