opening of the sphenoidal sinus
(redirected from apertura sinus sphenoidalis)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