Question

which term contains a word part that means within?
○ cholecystitis
○ endoscopy
○ enteritis
○ gingivectomy

Explanation:

The prefix "endo -" means within. In endoscopy, "endo -" indicates looking within the body. Cholecystitis refers to inflammation of the gall - bladder, enteritis is inflammation of the intestine, and gingivectomy is a surgical removal of gum tissue, none of which have a word - part meaning within.

Answer:

B. endoscopy