Which Bone Makes Up Most of the Floor of the Orbit

Question

Which bone makes up most of the floor of the orbit?
A) maxilla
B) sphenoid
C) frontal
D) palatine
E) ethmoid

Accepted Answer

The maxilla bone makes up approximately two thirds of the floor of the orbit, while the remaining one third is formed by the zygomatic and palatine bones. Therefore, choice A is the best answer.