sphenoidostomy

sphe·noi·dos·to·my

(sfē'noy-dos'tŏ-mē), An operative opening made in the anterior wall of the sphenoid sinus. [sphenoid + G. stoma, mouth]

sphenoidostomy

S13-879060 (sfē″noy-dŏs′tō-mē) [″ + ″ + stoma, mouth] Surgically producing an opening into the sphenoid sinus.