A laminotomy is an orthopaedic neurosurgical procedure that removes part of the lamina of a vertebral arch in order to relieve pressure in the vertebral canal.

Hypnosurgery is an operation where the patient is sedated using hypnotherapy rather than traditional anaesthetics.

Hypophysectomy is the surgical removal of the hypophysis (pituitary gland).

A hysterotomy is an incision in the uterus, and is performed during a caesarean section.