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Corpus: Dilator naris anterior muscle

1. Definition

The dilator naris anterior muscle is a facial muscle that encircles the nostril laterally, playing a role in the movement of the nostril.

2. Background

In some anatomical sources, the dilator naris anterior muscle is considered a part of the nasalis muscle.

3. Innervation

The dilator naris anterior muscle is innervated by the buccal branches of the facial nerve (cranial nerve VII).

4. Function

The primary function of the dilator naris anterior muscle is to dilate the nostril. It may also help prevent the collapse of the nasal entrance during inspiration, particularly in individuals with narrow nostrils.

5. Source

Stichworte: Corpus, Head, Muscle, Nose

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Isabel Keller
DocCheck Team
Natascha van den Höfel
DocCheck Team
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Letzter Edit:
15.10.2024, 12:06
34 Aufrufe
Nutzung: BY-NC-SA
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