|
Name
|
Types of fibre
|
Organs innervated
|
Functions
|
|
1.
Olfactory
|
Sensory
|
Olfactory
mucus membranes
|
Smell
|
|
2.
Optic
|
Sensory
|
Retina
|
Vision
|
|
3.
Oculomotor
|
Motor
|
Eyeball muscles
|
Eyeball
movement, control ciliary muscles, tear gland
|
|
4.
Trochlear
|
Motor
|
Eyeball muscles
|
Eyeball
movement
|
|
5.
Trigeminal
|
Mixed
|
Skin, oral mucosa, muscles of
head, face, mouth
|
Cutaneous
sensation, muscle movement
|
|
6.
Abducens
|
Motor
|
Eyeball muscles
|
Eyeball movement
|
|
7.
Facial
|
Mixed
|
Taste buds, salivary glands,
facial and neck muscles
|
Taste,
salivation, movement, tear secretion,
|
|
8.
Vestibulo-cochlear (auditory nerve)
|
Sensory
|
Internal ear
|
Hearing,
equilibrium
|
|
9.
Glosso-pharyngeal
|
Mixed
|
Pharynx, salivary glands, tongue
|
Taste,
salivation, swallowing
|
|
10. Vagus
|
Mixed
|
Pharynx, respiratory tract, heart,
pancreas, alimentary canal, blood vessels
|
Gastric and
pancreatic secretion, cardiac slowing, gastro-intestinal movement,
respiratory reflexes, vasomotor reflexes
|
|
11. Spinal accessory
|
Motor
|
Neck & shoulder muscles,
thoracic and abdominal viscera
|
Muscle
movements, visceral reflexes
|
|
12. Hypoglossal
|
Motor
|
Muscles of the tongue
|
Tongue
movements
|