Depressor anguli oris muscle

（重定向自Triangularis muscle）

The depressor anguli oris (triangularis) is a facial muscle associated with frowning. It originates from the mandible and inserts into the angle of the mouth.

The muscle is innervated by the marginal mandibular branch of the facial nerve and receives its blood supply from the facial artery.

单词	Triangularis muscle
释义	Triangularis muscle 英语百科 Depressor anguli oris muscle （重定向自Triangularis muscle） The depressor anguli oris (triangularis) is a facial muscle associated with frowning. It originates from the mandible and inserts into the angle of the mouth. The muscle is innervated by the marginal mandibular branch of the facial nerve and receives its blood supply from the facial artery.
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