Since it pulls the eyebrows upward, it is the antagonist of the orbicularis oculi. It is used in looking up, and increasing vision if there is insufficient light or when objects are far away.

Nov 3, 2023 · Orbicularis oris is a complex circular muscle that surrounds the orifice of the mouth and forms the majority of the lips. It belongs to a large group of muscles of facial expression called the …

Nov 6, 2025 · The orbicularis oculi is an orbital muscle of facial expression. It plays a key role in closing the eyelids and thus protecting the cornea from damage.

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 dermis …

Jul 26, 2025 · The orbicularis muscle refers to two distinct muscles that play a significant role in facial function. These muscles are located around natural openings of the face, specifically the eyes and …

Jun 2, 2024 · The main function of the orbicularis oculi muscle is to close the eyelids, and it is, in fact, the only muscle that can do so. More specifically, it is so critical that if there is any sort of …

Mar 25, 2025 · Orbicularis oculi (pronunciation: or-bi-kyu-LAR-is OK-yu-lai) refers to the muscle around the eyes. Its origin is the medial side of the orbit and the insertion is the path that circles the orbit.

Discover the orbicularis oculi muscle's origin, insertion, action, and innervation. Learn about its clinical correlates.

The orbicularis oculi is a broad, thin, circular muscle of facial expression surrounding the orbit and eyelids. It functions primarily to close the eyelids, protect the eyeball, and facilitate lacrimal drainage …

Aug 19, 2025 · The orbicularis oculi muscle consists of various muscles and subdivisions that play a crucial role in the eyelid closure and overall functioning of the eye. This muscle is responsible for …