Trachealis 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.[1]
| 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 primary function of the trachealis muscle is to constrict the trachea, allowing air to be expelled with more force, e.g., during coughing.[1]
See also
References
- Ross, Michael H.; Pawlina, Wojciech (2005), Histology a Text and Atlas (5th edition), LWW, p. 617, ISBN 0781750563
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