Term
What is the pineal gland important for? |
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Definition
Involving in regulation the body's biological clock, produces melatonin. |
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Term
Which lobes of the cerebral cortex are involved in language function. |
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Definition
Frontal, parietal, and temoral lobes |
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Term
Which lobe of the cerebral cortex is important for memory function? |
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Definition
Temporal, parietal, occipital |
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Term
What are the two major divisions of the central nervous system? |
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Definition
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Term
Understand the meninges and spaces that exist between and around the meninges? |
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Definition
Meninges: dura mater, arachnoid mater, pia mater
Spaces between: epidural space, subdural space, subarachnoid space |
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Term
Where are non vital reflexes located in the brain? |
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Definition
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Term
Understand the structures and functions of the diencephalon |
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Definition
Consists of several structures located around the third ventricle; thalamus, hypothalamus, optic chiasma, pineal gland, and several others |
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Term
How many lobes are in the cerebral hemisphere? |
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Definition
5; frontal , parietal, temporal, occipital, insula (island of reil) |
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Term
What does the nervous system and central nervous system consist of? |
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Definition
NS: brain, spinal cord, nerves
CNS: brain, spinal cord |
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Term
Where is the spinal cord located? |
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Definition
Lies w/in the spinal cavity, extends from the foramen magnum to the lower border of the first lumbar vertebra forming the conus medullaris |
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Term
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Definition
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Term
What is the largest part of the brain? |
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Definition
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Term
Understand sensory neurons |
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Definition
Conduct impulses to spinal cord or brain |
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Term
How many ventricles are in the brain and where are they? |
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Definition
4.... 1st & 2nd: one located in each hemisphere of cerebral
3rd: vertical pocket of fluid below & medial to the lateral ventricles
4th: tiny, diamond shaped space where the cerebellum attaches to the back of the brain stem |
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Term
How is cerebrospinal fluid formed? |
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Definition
Occurs by separation of fluid from blood in the choroid plexuses |
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Term
What structures are included in the brainstem? |
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Definition
Medulla oblongata, pons, midbrain |
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Term
What part of the brain releases melatonin? |
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Definition
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Term
Understand the limbic system |
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Definition
Emotions: Subjective experiencing and objective expressing of emotions involve functioning of the limbic system which lie on the medial surface of the cerebrum
Limbic system: "emotional brain" |
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Term
The nervous system consists of? |
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Definition
Brain, spinal cord, nerves |
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Term
Nervous system subdivided into? |
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Definition
Central nervous system (cns), peripheral nervous system (pns) |
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Term
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Definition
Consists of brain and spinal cord |
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Term
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Definition
Involved in preparing the body to deal with immediate threats to the internal environment, "fight or flight" response |
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Term
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Definition
Coordinates the body's normal resting activities ; "rest and repair" division |
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Term
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Definition
Excitable cells that initiate and conduct impulses that make possible all nervous system functions |
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Term
Afferent (sensory) neurons |
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Definition
Conduct impulses to spinal cord or brain |
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Term
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Definition
A single process extending from the axon hillock, sometimes covered by a fatty layer called a myelin sheath |
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Term
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Definition
Inner periosteum of he cranial bones |
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Term
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Definition
Delicate, cobweb like layer between the dura mater and pia mater |
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Term
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Definition
Located between the dura mater and arachnoid mater;contains lubricating serous fluid |
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Term
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Definition
Located between the arachnoid and pia mater ; contains a significant amount of CSF |
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Term
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Definition
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Term
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Definition
Tiny, diamond shaped space where the cerebellum attaches to the back of the brain stem |
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Term
Formation and circulation of CSF |
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Definition
Occurs by separation of fluid from blood in the choroid plexuses |
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Term
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Definition
(does not completely fill the spinal cavity)
extends from the foramen magnum to the lower border of the first lumbar vertebra forming the conus medullaris) |
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Term
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Definition
a) Fibers of dorsal nerve root
b) Fibers of ventral nerve root |
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Term
Fibers of dorsal nerve root |
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Definition
Carry sensory info into the spinal canal (back) |
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Term
Fibers of ventral nerve root |
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Definition
Carry motor info out of the spinal cord (front) |
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Term
Structures of the brainstem |
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Definition
Medulla oblongata, pons, midbrain |
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Term
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Definition
Lowest part of the brainstem |
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Term
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Definition
Located above the medulla and below the midbrain |
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Term
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Definition
Located above the pons and below the cerebrum; forms the midsection of the brain |
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Term
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Definition
Vomiting, coughing, sneezing, etc. |
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Term
Structure of the cerebellum |
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Definition
Second largest part of the brain; contains more neurons than the rest of the nervous system |
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Term
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Definition
-Located between the cerebrum and the midbrain
-Consists of several structures located around the third ventricle: thalamus, hypothalamus, optic chiasma, pineal gland, and several others |
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Term
Thalamus (plays two paarts in mechanism responsible for sensations) |
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Definition
impulses produce conscious recognition of the crude, less-critical sensations of pain, temp, and touch |
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Term
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Definition
(Forms floor of the third ventricle and lower part of alteral walls)
-Synthesizes hormones secreted by posterior pituitary and plays an essential role in maintaining water balance, mechanism regulating appetite, and maintaining normal body temp
-Plays part in mechanism responsible for emotions by ass. sensory impulses with feelings of pleasantness/ unpleasantness |
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Term
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Definition
-Located just above the corpora quadrigemina of the midbrain
-Involved in regulating the body's biological clock
-Produces melatonin
Melatonin ("sleep hormone") is made from the neurotransmitter serotonin |
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Term
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Definition
Structure: Largest and uppermost division of the brain; consists of right and left cerebral hemispheres, each divided into five lobes (frontal, parietal, temporal, occipital, insula-island of Reil) |
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Term
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Definition
Convolutions (a fold or elevation in the surface of the brain) |
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Term
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Definition
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Term
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Definition
Deeper grooves that divide each cerebral hemisphere into lobes; four are prominent |
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Term
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Definition
Deepest fissure; divides cerebrum into two hemispheres |
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Term
Central sulcus (fissure of Rolando) |
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Definition
Groove between frontal and parietal lobes |
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Term
Lateral fissure (fissure of Sylvius) |
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Definition
Groove between temporal lobe below and parietal lobes above; island of Reil lies deep in lateral fissure |
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Term
Functions of cerebral cortex |
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Definition
1)Consciousness
2)language- Speech centers: areas in the frontal, parietal, temporal
3)emotions- Functioning of the limbic system
4)memory- Temporal, parietal, occipital lobes are among the areas responsible for short and long term memory |
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