Ethmoid bone
The ethmoid bone (/ˈɛθmɔɪd/; from Ancient Greek: ἡθμός, romanized: hēthmós, lit. 'sieve') is an unpaired 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 make up the orbit of the eye.
| Ethmoid bone | |
|---|---|
Cranial bones | |
The seven bones which articulate to form the orbit. (Ethmoid is brown, between the red and the purple marked bones) | |
| Details | |
| Identifiers | |
| Latin | os ethmoidale |
| MeSH | D005004 |
| TA98 | A02.1.07.001 |
| TA2 | 721 |
| FMA | 52740 |
| Anatomical terms of bone | |
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