Depressor septi nasi muscle
Muscle of face / From Wikipedia, the free encyclopedia
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The depressor septi nasi muscle (or depressor alae nasi muscle) is a muscle of the face. It connects the incisive fossa of the maxilla and the orbicularis oris muscle to the nasal septum of the nose. It draws the ala of the nose downwards, reducing the size of the nostrils.
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Quick Facts Details, Origin ...
Depressor septi nasi | |
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Details | |
Origin | incisive fossa of the maxilla |
Insertion | nasal septum and back part of the alar part of nasalis muscle |
Nerve | buccal branch of the facial nerve |
Actions | depresses nasal septum, constricts nostril, moves apex of nose during movement of upper lip (e.g. talking) |
Identifiers | |
Latin | musculus depressor septi nasi |
TA98 | A04.1.03.012 |
TA2 | 2065 |
FMA | 46777 |
Anatomical terms of muscle |
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