| 释义 |
opening of the sphenoidal sinus o·pen·ing of the sphe·noi·dal si·nus [TA] one of the pair of openings in the body of the sphenoid bone through which the sphenoid sinuses communicate with the sphenoethmoidal recess of the nasal cavity. Synonym(s): apertura sinus sphenoidalis [TA], sphenoidal sinus aperture |