Question

The projecting ridge in ampulla of semicircular canals in ear is called

• A. Succus entericus
• B. Macula
• C. Otolith
• D. Crista ampullaris
• E. Cochlea

Answer 1

The correct option is D Crista ampullaris

A. Succus entericus, also known as intestinal juice is the fluid secreted in small intestine.

B. Macula is the projecting ridge of succule and utricle which are otolith organs of inner ear.

C. Otolith is a structure of calcium carbonate in vestibular apparatus of inner ear.

D. Crista ampullaris is the projecting ridge of ampulla of semicircular canals.

E. Cochlea is the part of inner ear that contains the organ of hearing i.e. organ of Corti.

So, the correct answer is 'Crista ampullaris'.