What does levator Labii Superioris Alaeque Nasi mean?
Medical Definition of levator labii superioris alaeque nasi : a muscle that arises from the nasal process of the maxilla, that passes downward and laterally, that divides into a part inserting into the alar cartilage and one inserting into the upper lip, and that dilates the nostril and raises the upper lip.
What is the origin and insertion of the levator labii superioris?
Levator labii superioris is a short, paired triangular muscle of the face….Levator labii superioris muscle.
| Origin | Zygomatic process of maxilla, maxillary process of zygomatic bone |
|---|---|
| Insertion | Blends with muscles of upper lip |
How do you relax levator Labii Superioris Alaeque Nasi?
With the muscle relaxed initially and with permission, gently place one or two fingers on the skin lateral to the inferior aspect of the patient/client’s nose and adjacent face and ask the person to sneer. Ask the person to relax and repeat these motions if necessary.
What happens when levator labii superioris contracts?
When levator labii superioris contracts, it raises the upper lip and pulls on the sides of the mouth which results in a slight smirk. Injury to this muscle will cause deficiency in facial expression and thus significantly impact a patient’s life.
What is the function of the levator Labii Superioris?
The levator labii superioris muscle, also known as the quadratus labii, contributes to facial expression and movement of the mouth and upper lip. It courses alongside the lateral aspect of the nose, and its primary function is elevation of the upper lip.
What does the term levator mean?
: a muscle that serves to raise a body part — compare depressor.
Where is the levator labii superioris located?
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 zygomatic bone, which is more commonly referred to as the cheekbone.
Why is it called levator labii superioris?
Anatomical terms of muscle The levator labii superioris alaeque nasi muscle is, translated from Latin, the “lifter of both the upper lip and of the wing of the nose”. It has the longest name of any muscle in an animal.
What Innervates levator labii superioris?
The levator labii superioris receives its blood supply from terminal branches of the facial artery and the infraorbital branch of the maxillary artery. The zygomatic branch of the facial nerve (cranial nerve VII) innervates the levator labii superioris.
