Orbit

**Semantic type:** Body Space or Junction

**Definition:** The bony cavity of the skull which contains the eye, anterior portion of the optic nerve, ocular muscles and ocular adnexa. Seven bones contribute to the structure of the orbit: the frontal, maxillary, zygomatic, sphenoid, lacrimal, ethmoid, and palatine bones.

**Synonyms:** - BODY CAVITY, ORBITAL - Eye Socket - Eye Socket - ORBIT - Ocular Orbit - Ocular Orbit - Ocular Orbits - Ocular orbits - Orbit, NOS - Orbital Cavity - Structure of orbit proper (body structure)