The human ovary may contain binovular or polyovular follicles at birth, but they are unusual
later in life. Binovular follicles were found in bilateral ovarian biopsies from a patient with
primary amenorrhea who had been treated with exogenous gonadotropins. The fine
structural morphology of these follicles has shown that both oocytes were in the resting
meiotic prophase, that their respective vitelline bodies faced each other across the
intervening plasma membranes, and that the adjacent oocytes made mutual contacts similar …