Opening of sinus of sphenoidal bone
Apertura sinus ossis sphenoidei
- Latin synonym: Apertura sinus ossis sphenoidalis
- Related terms: Opening of sphenoidal sinus
Definition
The opening of sinus of sphenoidal bone is a rounded hole located on the upper front wall of the sphenoidal air sinus, immediately above sphenoidal concha. This opening lets the sphenoid sinus drain into the sphenoethmoidal recess, which is situated right above the superior nasal concha, in the upper lateral area of the nasal cavity.
References
Standring, S. (2016). ‘Chapter 33: Nose, nasal cavity and paranasal sinuses’ in Gray’s anatomy: the anatomical basis of clinical practice. (41st ed.) New York NY: Elsevier, pp. 568.
