You know what it looks like… but what is it called?
TAKE THE QUIZ“spheno-ethmoid”
We have one entry that includes the term spheno-ethmoid.
sphenoethmoid recess
noun: a small space between the sphenoid bone and the superior nasal concha into which the sphenoid sinus opens
Love words? Need even more definitions?
Merriam-Webster unabridged