2023年11月3日 · Levator labii superioris fills the bottom of a triangular space bounded laterally by the zygomaticus minor and medially by the levator labii superioris alaeque nasi. Lateral and deep to levator labii superioris is the levator anguli oris.

The levator labii superioris (pl.: levatores labii superioris, also called quadratus labii superioris, pl.: quadrati labii superioris) is a muscle of the human body used in facial expression. It is a broad sheet, the origin of which extends from the side of the nose to the zygomatic bone. [1]

2024年4月20日 · The levator labii superioris (LLS) muscle, also known as the quadratus labii, contributes to facial expression and mouth and upper lip movement. This muscle courses lateral to the nose and primarily elevates the upper lip (see Image.

2025年1月16日 · Levator labii superioris is a skeletal muscle located in the human head and neck region. It is one of the muscles of facial expression, which are responsible for controlling the movement of the skin and underlying tissues of the face.

The levator labii superioris alaeque nasi muscle (occasionally shortened alaeque nasi muscle) is, translated from Latin, the "lifter of both the upper lip and of the wing of the nose". The muscle is attached to the upper frontal process of the maxilla and inserts into the skin of the lateral part of the nostril and upper lip. [ 1 ]

2020年7月27日 · Levator labii superioris, also called quadratis labii superioris, is a mouth muscle that is responsible for elevating the upper lip which makes it critical to the formation of normal facial expression as well as speech and nonverbal communication.

2018年8月7日 · The levator labii superioris muscle has three points of origin that blend and passes into the upper lip. The angular head – levator labii superioris alaeque nasi – arises via the frontal process of the maxilla.

2022年12月7日 · The levator labii superioris muscles, also known as the quadratus labii, contribute to facial expression and action of the mouth and upper lip. It courses alongside the lateral aspect of the nose, and its preliminary function is the elevation of the upper lip.

2020年7月27日 · Levator labii superioris, also called quadratis labii superioris, is a mouth muscle that is responsible for elevating the upper lip which makes it critical to the formation of normal facial expression as well as speech and nonverbal communication.

The levator labii superioris is a broad sheet, the origin of which extends from the side of the nose to the zygomatic bone. Its medial fibers form the angular head, which arises by a pointed extremity from the upper part of the frontal process of the maxilla and passing obliquely downward and lateralward divides into two slips.