Assertion : The base of semi-circular canal is swollen and is called crista ampullaris.
Reason : Crista ampullaris contains a projectings ridge called ampulla which has hair cells.

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

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

Anatomically, the ear can be divided into three major sections called the outer ear, the middle ear and the inner ear. How many statements are correct for inner ear? i. The organ of Corti is a structure located on the basilar membrane which contains hair cells that act as auditory receptors. ii. A large number of processes called stereo cilia are projected from the apical part of each hair cells iii. Above the rows of the hair cells is a thin elastic membrane called tectorial membrane iv. The vestibular apparatus is composed of three semi-circular canals and the otolith organ consisting of the saccule and utricle. v. Semi-circular canals contain a projecting ridge called macula vi. The saccule and utricle contain a projecting ridge called cristae vii. The cristae and macula responsible for maintenance of balance of the body and posture.

The hair cells present on the crista ampullaris receive the stimuli of

The hair cells present on the crista ampullaris receive the stimuli of

Assertion (A) : The fusion of sperm and ovum to form zygote is called fertilization. Reason (R): It occurs at ampullary isthmic junction of the fallopian tube

Assertion : The content of inner compartment of mitochondria is called matrix. Reason : The outer membrane forms a number of infoldings called cristae.

Assertion : The content of inner compartment of mitochondria is called matrix. Reason : The outer membrane forms a number of infoldings called cristae.