Excision of a portion of the skull.
<procedure, surgery> Surgery performed on the skull where pieces of bone are removed to gain access to the brain and the bone pieces are not replaced. ... (16 Dec 1997) ... 
(kra″ne-ek´tә-me) excision of a segment of the skull.
An operation to cut away a portion of the skull.
Type: Term Pronunciation: krā′nē-ek′tō-mē Definitions: 1. Excision of a portion of the skull, without replacement of the bone (subtemporal or suboccipital).
A craniectomy is a medical term referring to a surgical opening of the skull. However, whereas in a craniotomy the bone is re-attached at the end of the procedure, in a craniectomy the bone is left out, leaving an opening in the skull. A craniectomy is performed for various reasons, usually to decompress the structures contained within the bone. Fo...
craniectomy 1. Surgical removal of a portion of the cranium. 2. Surgery performed on the skull where pieces of bone are removed to gain access to the brain and the bone pieces are not replaced.
excision of a part of the skull.