A tenotomy or tendonotomy is a surgical incision into a tendon for the purpose of lengthening it.
tenotomy
tendonotomy
Cricothyroidotomy is the medical term meaning surgical incision into the cricoid.
encephelotomy
Sphenoidotomy is the medical term meaning surgical incision into the sphenoid bone or sinus.
Adenotomy is surgical incision into a gland.
Thymotomy is surgical incision of the thymus.Thymotomy.
Labyrinthotomy is surgical incision of the labyrinth.
Vagotomy is the medical term meaning surgical incision of the vagus nerve.
The medical term for incision of a membrane is "fenestration."
Onychotomy is surgical incision of the fingernail or toenail.
Cerebrotomy is surgical incision into the cerebrum.
Sinusotomy (sigh-nuhs-OT-oh-mee) is the medical term meaning surgical incision into a sinus. This procedure is used in the treatment of chronic sinusitis.