Examples from the Web for alisphenoid
Anteroventrally the sphenoidal fissure is bounded by the orbitosphenoid bone, and dorsolaterally by the alisphenoid bone.
The alisphenoid is a small bone in the roof of the mouth before the prootic.A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
Each also sends ventralwards a plate which meets an upgrowth from the pterygoid and acts as an alisphenoid.
Dorso-laterally the basisphenoid is joined by the alisphenoid, which forms most of the posterior wall of the orbit.
The tympanic bone remains permanently distinct, and the anterior boundary of the tympanic cavity is formed by the alisphenoid.