Orbicularis Oculi Muscle

**Semantic type:** Anatomical Structure

**Definition:** A ring-like band of skeletal muscle on the palpebrae, temple, cheeks, and surrounding the orbit, which originates on the frontal bone, medial palpebral ligament, and lacrimal bone with insertion on the lateral palpebral raphe, that functions to close the eyelid.

**Synonyms:** - ORBICULARIS OCULI MUSCLE