noun see: throw Date: circa 1807 absence or closure of a natural passage of the body, absence or disappearance of an anatomical part (as an ovarian follicle) by degeneration
ATRESIA
Meaning of ATRESIA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012