Orifice — synonyms, definition

1. orifice (Noun)

aperture breach break cleft entrance fissure gap hole mouth opening porta rift

orifice (Noun) — An aperture or hole that opens into a bodily cavity. ex. "the orifice into the aorta from the lower left chamber of the heart"

passage passageway anus aortic orifice blastopore cardia cervix cervix uteri external orifice fenestra fontanel fontanelle introitus mouth naris os porta hepatis pylorus rima soft spot spiracle stoma • • •