The ethmoid bone (/ˈɛθmɔɪd/; from Greek ethmos, "sieve") is a bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to a spongy construction. The ethmoid bone is one of the bones that makes up the orbit of the eye. The ethmoid has three parts: the cribriform plate, the ethmoidal labyrinth, and the perpendicular plate.
... Ethmoid bone from above Perpendicular plate of ethmoid Ethmoid bone (view from behind) Ethmoid bone from the right side Sphenoid bone visible center right Side view of the ... Lateral wall of nasal cavity, showing ethmoid bone in position Ethmoid bone Perpendicular plate ...
Famous quotes containing the word bone:
“OsteopathOne who argues that all human ills are caused by the pressure of hard bone upon soft tissue. The proof of his theory is to be found in the heads of those who believe it.”
—H.L. (Henry Lewis)