orbicularis

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      Orbicularis oculi muscle - Wikipedia

      The orbicularis oculi is a muscle in the face that closes the eyelids. It arises from the nasal part of the frontal bone, from the frontal process of the maxilla in front of the lacrimal groove, and from the anterior surface and borders of a short fibrous band, the medial palpebral ligament. From this origin, the fibers are directed laterally, forming a broad and thin layer, which occupies the eyelids or palpebræ, surrounds the circumference of the orbit, and spreads over the temple…

      Orbicularis oris: Origin, insertion, innervation, action

      Nov 3, 2023 · Learn about the orbicularis oris muscle, a circular muscle that surrounds the mouth and forms the lips. It closes, protrudes and compresses the lips, and is innervated by the buccal branch of facial nerve.

      Orbicularis oculi: Origin, insertion and action - Kenhub

      Oct 30, 2023 · Orbicularis oculi is a paired muscle that surrounds the eye and closes the eyelids. Learn about its origin, insertion, innervation, blood supply and clinical notes on Kenhub.

      Orbicularis oris muscle - Wikipedia

      In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth. It is not a true sphincter, as was once thought, as it is actually composed of four independent quadrants that interlace and give only an appearance of circularity. It is also one of the muscles used in the playing of all brass instruments and some woodwind instruments. This muscle closes the mouth and puckers the lips when it contracts.

      Anatomy, Head and Neck: Orbicularis Oculi Muscle

      May 25, 2024 · The orbicularis oculi is a sphincter-like muscle arranged concentrically around the upper and lower eyelids. The main function of the …

      Anatomy, Head and Neck, Orbicularis Oris Muscle

      Aug 7, 2023 · Orbicularis oris muscle, also known as musculus orbicularis oris is a complex, multi-layered muscle which attaches through a thin, superficial musculoaponeurotic system to the …

      Orbicularis oculi muscle Origin, Insertion, Function, …

      Jan 13, 2023 · Origin & insertion of Orbicularis oculi muscle. The Orbicularis oculi muscle is a flat, broad muscle that makes an ellipse around the circumference of the orbit. It is collected of orbital, palpebral & deep palpebral parts, each of …

      Orbicularis Oculi - Actions - Innervation - TeachMeAnatomy

      Jan 17, 2023 · Learn about the orbicularis oculi, a muscle of facial expression that closes the eyelids and drains tears. Find out its attachments, innervation, blood supply and 3D model.

      Orbicularis Oris: Origin, Insertion, Blood Supply, Function

      Nov 9, 2020 · Learn about the orbicularis oris muscle, a complex of muscles in the lips that encircles the mouth and controls facial expressions and speech. Find out its structure, innervation, blood supply, and how it can be affected by injury …

      Orbicularis Oculi: Definition, Function, Location, And Anatomy

      Jun 2, 2024 · The orbicularis oculi muscle is responsible for eyelid closure. It is a complex muscle, with a complicated spatial arrangement of myofibers. The muscle can be divided into three …