Polyandry has been reported for various species of tephritid fruit flies, and efforts to explain this phenomenon have focused primarily on the respective roles of sperm stores and male accessory gland fluids.
Exposure to TCDD during development permanently alters reproductive function in male Long Evans rats and hamsters: reduced ejaculated and epididymal sperm numbers and sex accessory gland weights in offspring with normal androgenic status.
rodents, primates, marsupials, and bats), secretions from accessory glands form copulatory plugs, which are a coagulated mass of protein deposited in the vagina at the end of copulation (Ginsburg and Huck, 1989).
The aim of the present study was to confirm and to substantiate the present knowledge on the male reproductive system and sperm morphology and to present the first ultrastructural study of the genital chamber and its accessory glands.
He suspects the early exposures altered the development of the males' epididymis--a gonadal structure that stores sperm and plays a role in ejaculation--and possibly that of related sex accessory glands.