Principal Cause of Cholecystitis
Puzzle 15 of Home Improvement Easy Pack
Question is: Principal Cause of Cholecystitis
and the answer is: GALLSTONE
Word Meaning:
GALLSTONE — (biology, medicine) A small, hard object, in the shape of a pebble, that sometimes forms in the gallbladder or bile duct; composed of cholesterol, bile pigments and calcium salts.
Definitions from Wiktionary.