Ethmoid bone

Definition

The ethmoid bone is a spongy, cubical bone located at the roof of the nose between the two orbits, forming part of the nasal cavity and the eye sockets. It plays a crucial role in supporting the nasal cavity and separating it from the brain.

Related terms

Nasal Septum: The partition made of bone and cartilage that separates the nostrils and nasal cavity.

Cribriform Plate: A part of the ethmoid bone with numerous small holes that allow for the passage of olfactory nerves from the nose to the brain.

Sphenoid Bone: A butterfly-shaped bone at the base of the skull that articulates with all other cranial bones, contributing to the structure of eye orbits, temples, and parts of the floor of the cranial cavity