Orbicularis Oculi Origin, Insertion, Action
Origin: Palpebral part: to the medial palpebral ligament and adjacent bone on the medial side of the orbit.
Orbital part: to a slip of bone adjacent to the orbit on the orbital process of the frontal bone, to the frontal process of the maxilla, and to the medial palpebral ligament between the two bony areas
Insertion: Palpebral part: into the skin of the eyelids, blending with levator palpebrae superioris and continuing on to the lateral palpebral raphe.
Orbital part: into the skin surrounding the orbit and blending with adjacent facial muscles
Orbital part: into the skin surrounding the orbit and blending with adjacent facial muscles
Actions: Closes the eyelids
Innervation: Temporal and zygomatic branches of the facial nerve
Blood Supply: Branches from the ophthalmic artery
Primary Actions of the Orbicularis Oculi
1. Closes the eyelids
Advertisement
Information about the cause and effect of pain: Orbicularis Oculi: Eye Pain and Twitching
An excellent book for those beginning the study of anatomy. Coloring helps memory retention.
For intermediary anatomy students learning skeletal and muscle structure.
For beginning and intermediary anatomy . Muscle overlays on the human body. Excellent visuals!