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24 Cards in this Set
- Front
- Back
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I Olfactory
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Sensory nerve
Sense of smell |
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II Optic
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Sensory nerve
Sense of sight |
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III Oculomotor
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Both
Movement of eyeball; raising of eyelid |
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IV Trochlear
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Both
Movement of eyeball |
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V Trigeminal
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Both
Chewing of food; sensations in face and scalp |
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VI Abducens
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Both
Movement of eyeball |
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VII Facial
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Both
taste; blinking; facial expressions |
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VIII Vestibulocochlear
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Sensory nerve
Sense of hearing or balance |
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IX Glossopharyngeal
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Both
Swallowing; gag reflex |
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X Vagus
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Both
visceral muscle movement and sensations |
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XI Accessory
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Both
swallowing |
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XII Hypoglossal
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Both
speech & swallowing |
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Neuroglia
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nerve glue
most abundant nerve cell mainly located in CNS supports, protects, insulates, nourish, neurons |
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Astrocytes
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most abundant glial cells
star shaped supports neurons form protective barrier around CNS neurons |
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ependymal cell
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glial cell
lines insides of brain cavities assists with formation of CSF |
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Neuron
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nerve cell
most important in transmission of information |
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Myelin
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protects and insulates the axon
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Cerebrum
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largest part of the brain
divided into Rt and Lt hemispheres joined together by corpus callosum |
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4 major areas of the brain
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cerebrum
diencephalon brain stem Cerebellum |
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Diencephalons
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2nd main area of the brain
beneath cerebrum; above stem includes thalamus & hypothalamus |
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Cerebellum
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4th major area of the brain
protrudes from under the occiptal; base of the skull coordinates voluntary muscles |
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brain stem
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connects brain with spinal cord
composed of midbrain, pons, medulla oblongata controls BP & RR relays sensory and motor information to cerebrum |
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3 meninge layers
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dura mater
arachnoid layer pia mater |
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Cerebrospinal Fluid (CSF)
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circulates and forms cushoin around the brain and spinal cord
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