CRANIAL NERVES, AND THEIR FUNCTIONS

This is the  Biology Gk study material section on “Cranial Nerves, And Their Functions” with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

Cranial Nerves, And Their Functions

CRANIAL NERVES, AND THEIR FUNCTIONS
No. Carnial nerve Organ innervated Type of fibre Function
1. Olfactory Olfactory mucous membrane Sensory Smell
2. Optic Retina Sensory Vision
3. Oculomotor Four of the six eye muscles Motor Eye movement
4. Trochlear Superior oblique eye muscles Motor Eye movement
5. Trigeminal Skin and mucous membrane of the head Sensory Sensation
6. Abducens Rectus eye muscle Motor Eye movement
7. facial Muscle of the face, neck

Salivary glands

Taste buds

Motor

Motor

sensory

Movement

Saliva secretion

Taste

8. Auditory

(i)Vesicle

(ii)Cochlear

Internal ears, cochlea

Internal ear

Cochlea

Sensory

Sensory

sensory

Equilibrium

Hearing

Equilibrium

Hearing

9. Glossopharyngeal Pharynx, tongue

Salivary gland

Pharyngeal muscles

Sensory

Motor

motor

Taste, sensation

Saliva secretion

Swallowing

10. Vagus Pharynx, larynx, trachea

Oesophagus,thoracic and

Abdominal vicera

Sensory and motor Visceral reflexes
11. Spinal accessory Thoratic and abdominal

Viscera

Muscle   of the neck and shoulder

Sensory

And motor

motot

Visceral reflexes

 

Movement

12. Hypoglossal Muscle of the tongue

 

Motor Movement
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