accumulation of menstrual blood in the vagina (usually due to an imperforate hymen)
n accumulation of menstrual blood in the vagina (usually due to an imperforate hymen)
imperforate anus
[医] 肛门闭锁
imperforate hymen
[医] 无孔处女膜, 处女膜闭锁
imperforated
a. (=imperforate)未穿孔的, 闭锁的
