my·ot·o·my (m - t  -m )n. 1. Dissection of the muscles. 2. Surgical division of a muscle. |
myotomy
[mī·ot′əmē]
Etymology: Gk, mys + temnein, to cut
the dissection or cutting of a muscle, performed to gain access to underlying tissues or to relieve constriction in a sphincter, such as in severe esophagitis or pyloric stenosis. With the patient under general anesthesia, a longitudinal cut is made through the sphincter muscle but not through the mucosa lining the stomach. See also abdominal surgery.
myotomy [mi-ot´ah-me]
cutting or dissection of muscular tissue or of a muscle.
myotomy (mīot´
mē),n a cutting or resection of a muscle.
myotomy
cutting or dissection of muscular tissue or of a muscle.
circumferential myotomy
a means of relieving tension when attempting resection and anastomosis of the cervical or thoracic esophagus.
coccygeal myotomy
transection of a dorsal sacrococcygeal muscle to correct a crooked tail in horses.
Heller's myotomy
an esophagomyotomy at the esophagogastric junction, usually performed as a treatment for megaesophagus caused by achalasia. Called also cardioplasty.
ventral caudal myotomy
see nicking (2).
myotomy
The surgical division or dissection of a muscle. It is done to reduce the pull of an extraocular muscle in the correction of strabismus. See myectomy; strabismus surgery.
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