KP221 Lecture Notes - Lecture 16: Glossopharyngeal Nerve, Trapezius Muscle
16 Feb 2017
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Optic surrounded by photoreceptors light waves into electrical stimuli. Ocular motor move eyes 6 muscles. Inferior rectus: medial rectus, 2 oblique muscles, convergence or same direction tracking. Trochlear nerve sup oblique muscle: trochlear notch, num 4. Innervates lat rectus muscle of eye: abducts eye. Cervical points down to cervical spine: chew, face exp, speaking, bells palsy: drooping of 1 half of face, indication of another stroke tia. Looks like 2 straight branches: 2 branches vestibular and auditory, vestibular . Automatically makes sure that vestib occ reflex is working. Acceleration, tells you what your position is, what your head is doing. Angular accel semicircular canals yes or no motion: auditory. Alcohol changes viscosity of fluid in temp mem - room is spinning, all movements are huge. Frequency of hits on membrane = freq of sound. Posterior part of tongue, tonsils, pharynx sensory.
