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41 Cards in this Set
- Front
- Back
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rostrally |
top of the brain |
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caudally |
towards the tail |
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grey matter |
short, nonmyelated neurons and neuron cell bodies |
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white matter |
myelated axons |
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ventricles |
expansion of brain's central cavity lined in epidymal cells and continuous with one another |
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lateral ventricles |
in cerebral hemispheres, horseshoes |
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third ventricle |
diencephalon connected lateral ventricles by the interventricular foramen |
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fourth ventricle |
in brain stem and connects to third ventricle by the cerebral aqueduct |
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brain stem |
medulla oblongata, pons, midbrain passageway of all fiber tracts integrates auditory and visual reflexes |
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reticular formation |
loose cluster of brain nuclei in the core of the brain stem coordinates reflexes and autonomic behaviors |
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pons |
relay information from the cerebrum to the cerebellum |
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midbrain |
substantia nigra, red nucleus, preaqueductal grey matter |
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substantia nigra |
bandlike, contains melanin pigment and control some voluntary movement |
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red nucleus |
rich blood supply and iron pigment to bring about flexion of the limbs |
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preaqueductal gray matter |
fight or flight and response to visceral pain |
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reticular formation |
maintains alertness, filters out repetition, regulates muscle activity and pain |
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reticular activating system |
maintains alertness |
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cerebellum |
balance and posture |
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arbor vitae |
carry information to and from the cortex |
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peduncles |
connect the cerebellum to the brain stem |
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diencephalon |
thalamus, hypothalamus, epithalamus |
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thalamus |
memory processing, huge relay system |
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hypothalamus |
regulates body temp, food intake, water balance, thirst, biological rhythms |
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epithalamus |
contain the pineal gland that secretes melatonin |
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cerebrum |
divided into lobes |
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frontal lobe |
plan out movement, speech production |
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parietal lobe |
conscious awareness, speech awareness, understanding speech |
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occipital lobe |
visual cortex |
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temporal lobe |
hearing, smell, emotions, recognition |
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insula |
taste, visceral sensations |
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motor cortex |
in frontal lobe |
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broca's area |
control talking movement |
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wernicke's area |
speech comprehension |
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anygadala |
fear response |
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meninges |
lie external to the brain and spinal cord contain cerebrospinal fluid |
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3 parts of the meninges |
dura mater, arachnoid mater, pia mater |
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CSF where is it made |
choroid plexus |
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functions of CSF |
cushions brain by resisting force nourishes brain removes waste carries chemical signals |
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corpus callosum |
connects both sides of the brain |
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ascending pathways |
carry information to the rostral regions of the CNS |
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descending pathways |
carry information to the caudal regions of the CNS |
