noun
resection
rih-SEK-shun/rɪˈsekʃn/
Surgical removal of part or all of an organ or tissue.
The surgeon removes a small wedge of liver tissue by resection.

Etymology
Latin secare means “cut,” with re- perhaps adding emphasis. The broader action of cutting something off or away narrowed to the surgical removal of part of the body.
In context
vascular communication between the periosteum and the medary cavity when extensive portion of the bone is involved in the disease process then resection of the jaw bone is advocated following resection reconstruction is performed
More examples
- The damaged section of bowel requires resection.
- A partial resection preserves some healthy lung tissue.
- She performs several tumor resections each month.
Forms
resection · resections
resect verb — Surgically remove part or all of tissue.
Similar words
- excision
- Excision emphasizes cutting out tissue, often a localized abnormal area.
- removal
- Removal is broader and need not involve surgery or cutting.