Myotomy

n.

The dissection, or that part of anatomy which treats of the dissection, of muscles.

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(mī ot′əmē)
n

Cutting or resection of a muscle.

Cutting or dissection of muscular tissue or of a muscle.

• circumferential m. — a means of relieving tension when attempting resection and anastomosis of the cervical or thoracic esophagus.
• coccygeal m. — transection of a dorsal sacrococcygeal muscle to correct a crooked tail in horses.
• Heller's m. — an esophagomyotomy at the esophagogastric junction, usually performed as a treatment for megaesophagus caused by achalasia. Called also cardioplasty.
• ventral caudal m. — see nicking (2).

IN BRIEF: n. - Surgical incision or division of a muscle.

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