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Corpus: Nostril

Synonym: wing of nose

1. Definition

The nostrils are movable soft tissue flaps located in the area of the nasal entrance. They frame the nasal vestibule from the lateral side.

2. Anatomy

The cranial border of the nostrils is formed externally by the alaric sulcus and internally by the limen nasi. The lateral crus of the greater alar cartilage, which shapes the nostril, is situated in the connective tissue of the nostril. Additionally, the fibers of the levator labii superioris alaeque nasi muscle, which lifts the nostril, also radiate from this area.

Externally, the nostrils are covered by skin, while the inside is lined with multi-layered keratinized squamous epithelium.

Stichworte: Corpus, Head, Nose

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Natascha van den Höfel
DocCheck Team
Dr. rer. nat. Fabienne Reh
DocCheck Team
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Letzter Edit:
18.06.2024, 10:58
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Nutzung: BY-NC-SA
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