myotomy

From myo- +‎ -tomy.

• (UK) IPA^(key): /maɪˈɒt.ə.mi/
• (US) IPA^(key): /maɪˈɑ.tə.mi/

myotomy (plural myotomies)

1. (surgery) The surgical procedure of cutting or making an incision in a muscle or muscular organ.
   • 1993, Eugene M. Helveston, Surgical Management of Strabismus: An Atlas of Strabismus Surgery, page 235:

     If a hyperdeviation is present in an eye treated with such a myotomy of a horizontal rectus, the proximal myotomy should begin above to shift the insertion downward and make the horizontal rectus more effective as a depressor.

2. (dated) An anatomical dissection of a body, especially one used for instructional purposes.

• Heller myotomy

• myotome