Nasalis muscle

Nasalis muscle

Muscles of the head, face, and neck. (Nasalis labeled at center left.)
Details
Origin Maxilla
Insertion Nasal bone
Artery Superior labial artery
Nerve Buccal branch of the facial nerve
Actions Compresses bridge, depresses tip of nose, elevates corners of nostrils
Identifiers
Latin musculus nasalis
TA A04.1.03.009
FMA 46770

Anatomical terms of muscle

The nasalis is a sphincter-like muscle of the nose whose function is to compress the nasal cartilages. It is the muscle responsible for "flaring" of the nostrils. Some people can use it to close the nostrils to prevent entry of water when underwater.

It consists of two parts, transverse and alar:

Additional images

References

  1. -1945763781 at GPnotebook


This article is issued from Wikipedia - version of the 6/19/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.