Levator labii superioris Anatomy, innervation, action Kenhub

Only today, enjoy all categories up to 90% off your purchase. Hurry & shop mow. Come and check all categories at a surprisingly low price, you'd never want to miss it. Levator labii superioris is a short, paired triangular muscle of the face. It belongs to the buccolabial group of muscles of facial expression.

Levator labii superioris muscle, illustration Stock Image F029/5184 Science Photo Library

The levator labii superioris is a thin, quadrilateral muscle that serves to elevate the upper lip, particularly during smiling, but it also provides eversion. It originates on the infraorbital rim of the maxilla and inserts into the orbicularis oris muscle. [1] 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] Structure 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] 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.

Illustration of the levator labii superioris muscle Stock Photo Alamy

Levator labii superioris (LLS) —This superficial muscle works in conjunction with the upper lip's other muscles to elevate and evert the upper lip. This muscle is an elevator muscle of the upper lip. The levator labii superior is much like the LLSAN modifies the nasolabial fold. Levator Labii Superioris. The levator labii superioris muscle originates beneath the orbicularis oculi muscle and inserts over and intermingles with the orbicularis oris muscle into the lower half of the philtral column. Explore on ScienceDirect. Complete Anatomy. Levator labii superioris is one of the many muscles of the buccolabial group, a part of the muscles involved in facial expression. There's one at each side of the nose, originating from the zygomatic bone and the maxilla, just above the infraorbital foramen. It inserts itself as a blend with the other muscles of the upper lip. Levator labii superioris. The levator labii superioris muscle is used when a person makes facial expressions. It is shaped like a broad, flat sheet that starts next to the nose and extends to the.

Anatomy, Head and Neck Eye Levator Labii Superioris Muscle StatPearls NCBI Bookshelf

The primary function of the levator anguli oris muscle is to elevate the corner of the mouth, which it achieves in concert with the zygomaticus major muscle, whose effect is to raise and lateralize the oral commissure, moving it obliquely superiorly and laterally. Levator labii superioris muscle Depressor labii inferioris muscle Levator labii superioris alaeque nasi muscle Mentalis muscle Risorius muscle Levator anguli oris muscle Depressor anguli oris muscle Zygomaticus major Zygomaticus minor Muscles of the nose Nasalis muscle Procerus muscle Muscles of the eyelid The levator labii superioris muscle originates from the maxilla that forms the inferior aspect of the orbit. It passes down over the infraorbital foramen, from which the infraorbital nerve exits, and extends inferiorly to attach into the vermillion margin of the upper lip 1-3. The levator labii superioris muscle is a thin, elongated muscle that is composed of skeletal muscle fibers. It is located just beneath the skin of the upper lip and is surrounded by connective tissue, blood vessels, and nerves. The muscle has two main heads, known as the transverse and oblique heads.

Levator labii superioris muscle, illustration Stock Photo Alamy

Levator palpebrae superioris is a triangular muscle that extends along the roof of the orbit, from the apex of orbit to the superior eyelid. It originates with a short and narrow tendon from the inferior aspect of the lesser wing of sphenoid bone, superior and anterior to the common tendinous ring. The levator labii superioris alaeque nasi (Latin: musculus levator labii superioris alaeque nasi) is a muscle of facial expression that widens the nostril and elevates the upper lip, thus enabling the facial expression of snarling. It is classified as the nasal facial muscle. Levator labii superioris alaeque nasi by Anatomy Next