Trachealis muscle

Trachealis muscle
Details
Nerve	Vagus nerve and upper thoracic spinal nerves
Actions	Constricts trachea
Identifiers
Latin	Musculus trachealis
TA	A06.3.01.005
FMA	7466
Anatomical terms of muscle []

The trachealis muscle is a smooth muscle that bridges the gap between the free ends of C-shaped cartilages at the posterior border of the trachea, adjacent to the esophagus.

The primary function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force, e.g., during coughing.

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