Cranial nerves Flashcards
Somatic motor fibres - supply? cell body?
Supply striated muscles
In CNS
Autonomic motor fibres - supply?
Parasymph supply of smooth muscles and glands
2 ganglia 1 in and 1 out
Visceral sensory - supply?
Afferent inputs (non-conscious) (pharynx, larynx, heart and lung)
General sensory - supply? Cell body?
Afferent inputs from skin and mucous membranes
Out CNS
Special sensory - supply?
Taste, smell, vision, hearing and balance
CN I?
Olfactory
Sensory smell
CN II?
Optic
Sensory vision
CN III?
Oculomotor
Motor (eye movement)
CN IV?
Trochlear CN IV
Motor (eye movement)
CN V?
Trigeminal
Ophthalmic - sensory (upper face)
Maxillary - sensory (middle face)
Mandibular - sensory (lower face) motor (mastication)
CN VI?
Abducent
Motor (eye movement)
CN VII?
Facial
Muscles of facial expression
Parasymph
Taste
CN VIII?
Vestibulocochlear
Sensory (hearing and balance)
CN IX?
Glossopharyngeal
Swallowing
Tongue sensation
Parasymph
CN X?
Vagus
Throat muscles
Parasymph
Visceral sensory