Question

the word part \cholecyst/o\ means: bill, gall gallbladder sigmoid colon

Explanation:

In medical terminology, combining forms are used to build words. "Cholecyst/o" is a combining form. "Chole-" means bile and "cyst/o" means sac or bladder. The gallbladder is the organ that stores bile. So, "cholecyst/o" refers to the gallbladder.

Answer:

gallbladder