Lacrimal bone

Definition

The lacrimal bone is a small, thin bone situated in the front part of the medial wall of the orbit (eye socket). It has a groove that helps form the nasolacrimal canal, which facilitates tear drainage from the eyes to the nasal cavity.

Related terms

Orbit: The bony cavity containing the eyeball and its associated muscles, nerves, and blood vessels.

Nasolacrimal Canal: A duct that allows tears to drain from the eye into the nasal cavity, preventing overflow onto the face.

Axial Skeleton: The part of the skeleton that includes the skull, vertebral column, ribs, and sternum