Cranial nerves Flashcards
(12 cards)
I. Olfactory
Smell
Attached to cerebrum
Innervates nasal cavity
II. Optic
Vision
Attached to thalamus
Innervated retina
III. Oculomotor
Eye movement
Midbrain
Innervated eye muscles
IV. Trochlear
Eye movement
Midbrain
Superior oblique muscles
IX. Accessory
Shoulder and neck movement
Medulla and upper spinal cord
Innervated pharynx, tonsils and back of tongue
XII. Hypoglossal
Movement of tongue
Medulla
Innervated muscles of tongue
V. Trigeminal
Facial sensation and chewing
Pons
Sensory: face, scalp, mouth, teeth
Motor: muscles of mastication
VI. Abducens
Eye movement
Pins
muscles of eye
VII. Facial
Facial expression, taste front 2/3 of tongue
Pons
Innervates facial muscles
VIII. Vestibulocochlear
Hearing and balance
Pins
Innervates cochlea
IX. Glossopharyngeal
Taste
Medulla
Intervals posterior 1/3 of tongue
X. Vagus
Speech and swallowing
Medulla
Innervates larynx, pharynx