Corpus: Anterior auricular muscle
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Synonym: anterior ear muscle
1. Definition
The auricularis anterior muscle is a small cutaneous muscle of the head that is one of the external ear muscles.
2. Anatomy
The auricularis anterior muscle originates at the lateral edge of the galea aponeurotica and attaches to the front of the helix of the auricle.
3. Innervation
The auricularis anterior muscle is innervated by the temporal rami of the facial nerve (N. VII).
4. Function
The auricularis anterior muscle pulls the pinna ventrally. In humans, this function is usually not relevant due to the evolutionary regression of the muscle.