porta

英 ['pɔːtə] 美 ['pɔːtə]

• n. (身体等的)外孔；肝门

英英释义

Noun:

1. an aperture or hole that opens into a bodily cavity;

   "the orifice into the aorta from the lower left chamber of the heart"
   

近反义词

【近义词】

• opening 开口
• orifice 孔