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37 Cards in this Set
- Front
- Back
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Because carbohydrate storage in the brain is limited, the supply of ________ to the brain must be continuous. |
glucose |
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A ________ protects brain cells from harmful substances and pathogen by serving as a selective barrier to prevent passage of many substances from the blood to the brain. |
blood brain barrier |
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Continuation of spinal cord, ascending sensory tracts, descending motor tracts, nuclei of 5 cranial nerves, cardiovascular center, respiratory center, information in & out of cerebellum, reflex center for coughing, sneezing, swallowing etc. |
medulla oblongota |
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bridge connecting parts of the brain with each other. |
pons |
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contains reflex centers for movements of the eyes, head and neck in response to visual and other stimuli, and reflex center for movements of the head and trunk in response to auditory stimuli. |
midbrain |
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regulates posture and balance. |
cerebellum |
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extends from the brain stem to the cerebrum and surrounds the third ventricle, it includes the thalmus, hypothalmus, and epithalmus, |
diencephalon |
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the largest part of the brain, contains gyri, deep groves called fissures, and shallower sulci. |
cerebrum |
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What are the 4 major parts of the brain |
brain stem, cerebellum, diencephon, cerebrum |
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What are the cranial meninges? |
dura mater, arachnoid mater, pia mater |
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seperates the two hemispheres (sides) of the cerebrum |
falx cerebri |
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seperates the cerebrum from the cerebellum |
tentorium cerebellum |
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clear liquid containing glucose, proteins, & ions |
cerebrospinal fuid |
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floats the brain & softens impact with bony walls |
mechanical protection |
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optimal ionic concentrations for action potential |
chemical protection |
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located in each hemisphere of the cerebrum, seperated by the septum pellucidum |
lateral ventricle |
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a narrow cavity along the midline superior to the hypothalamus and between the right and left halves of the thalmus |
third ventricle |
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4 CSF filled cavities within the brain |
ventricles |
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CSF is reabsorbed thru _________ |
arachnoid villi |
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a region of gray matter that forms the outer rim of the cerebrum |
cerebral cortex |
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the cerebral hemispheres are connected internally by a broad band of white matter know as the __________ |
corpus callosum |
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conduct nerve impulses from motor areas of the cerebral cortex to the spinal cord, pons and medulla, respectively |
cerebral penduncle |
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csf |
protects the brain and spinal cord from chemical and physical injuries |
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csf |
in ventricles choroid plexus make csf |
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relays nerve impulses to voluntary skeletal muscle |
pons |
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pneumotoaxic and apenistic |
reapiration |
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motor impulses from cerebrum to cerebelleum and spinal cord sends sensory impulses from spinal cord to thalamus regulates audiotory and viual reflex |
midbrain |
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helps regulate muscle tone alerts cortex of sensory signals. responsible for maintaining conciousness |
reticular formation |
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coordination of skeletal muscle contracttions and maintain muscle and posture |
cerebellum |
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nuclie that serves as relay stations for all sensory excpt ssmell |
thalamus |
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controls many body activities and is a major regulator of homostasis |
hypothalamus |
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sacretes melatonin involved in olfaction |
epithalamus |
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lack blood brian barrie. monitar chemical changes in blod |
cvo |
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paired masses of gray matter, involved in motor control |
basal nuclie of cerebrum |
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mamialary body |
memory |
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memory , decesions making and emotional reactions |
amygdala |
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emotion behavior, long term memory and olfaction. formation of new memories
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limbic system. emotional brain |
