What is the Ethmoidal Infundibulum
The ethmoid infundibulum is a funnel-shaped space located at the junction of the anterior cranial fossa and the nasal cavity. It is bounded superiorly by the ethmoid plate, anteriorly by the frontal bone, posteriorly by the sphenoid bone, and laterally by the orbital process of the palatine bone. The floor of the infundibulum is formed … Read more