Term
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Definition
| Dimple or indent in myelin sheath |
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| dense areas of ER in neuron cell body |
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Definition
| form myelin sheath in CNS |
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Definition
| form myelin sheath in PNS |
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Definition
protect cell from invaders
phagocytes of nervous system |
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Definition
| Protect Soma of PNS neurons |
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Definition
| secrete Cerebrospinal Fluid |
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Definition
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Definition
| Seperates brain hemispheres |
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Definition
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Definition
Worm-like Bulges
(between sulcus |
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Definition
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Definition
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Definition
| Seperates cerebellum in half |
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Definition
| Tent that seperates cerebellum from cerebrum |
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Term
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Definition
"Wings"
One in each hemisphere |
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Definition
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Definition
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Definition
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Term
| Autonomous Nervous system |
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Definition
| Controls involuntary muscle contractions |
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Term
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Definition
gap junction
Ions jump between gaps |
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Term
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Definition
Most common in humans
Neurotransmitters |
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Term
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Definition
| Fatty substance wrapped around axon |
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Term
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Definition
| increases speed of impulse conduction |
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Term
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Definition
"terminal button"
Neuron before synapse |
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Term
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Definition
neuron after synapse
receives signal |
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Term
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Definition
| Space between pre-post synaptic neurons |
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Term
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Definition
| packets of neurotransmitters |
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Term
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Definition
| Chemicals sent throughout the brain that communicate to other neurons |
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Term
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Definition
| receives and binds with neurotransmitters |
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Term
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Definition
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Term
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Definition
cell gets pumped
increase in activity |
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Term
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Definition
Cell chills out
decrease in activity |
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Term
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Definition
| conducts nerve impulses from CNS to BODY |
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Term
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Definition
| conducts nerve impulses from BODY to CNS |
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Term
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Definition
| enclosed, cable-like bundle of axons that coordinate actions of animals and transmit signals |
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Term
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Definition
| connects one part of the nervous system to another. |
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Term
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Definition
bundles of elongated, myelin-insulated neurons
Transmits signals from one area of grey matter to another |
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Term
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Definition
CNS
contains neural cell bodies
no myelin blanket
cannot send signals far away |
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Term
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Definition
| tissue mass of nerve cell bodies, that when together create a system called a plexus |
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Term
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Definition
brain structure
distinct, compact cluster of neurons |
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Term
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Definition
"Tough Mother" meninge
dense, irregular CT |
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Term
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Definition
"spider-like net" meninge
membrane of collagen and elastin fibers |
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Term
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Definition
"delicate mother" meninge
areolar CT
highly vascularized |
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Term
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Definition
| protective CT membranes that surround, support, and stabilize brain |
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Term
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Definition
Flat partitions in four locations of the cranial cavity
(Falx Cerebri)
(Tentorium Cerebelli)
(Flax Cerebelli) |
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Term
| Cerebrospinal Fluid (CSF) |
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Definition
clear liquid
circulates in ventricles
bathes exposed surfaces of CNS
surrounds brain and spinal cord |
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Term
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Definition
| Motor commands, speech, personality |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Definition
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Definition
| connects both sides of brain to communicate |
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Term
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Definition
| separates cerebrum from cerebellum |
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Term
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Definition
| separates cerebral hemispheres |
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Term
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Definition
| separates frontal and parietal lobes |
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Term
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Definition
| separates parietal and occipital lobes |
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Term
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Definition
| separates temporal and frontal/parietal lobes |
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Term
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Definition
| anterior to central sulcus |
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Term
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Definition
| posterior to central sulcus |
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Term
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Definition
site of consciousness
gray matter on the superficial surface of cerebrum |
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Term
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Definition
Frontal lobe
Voluntary skeletal muscle movement
(Going out) |
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Term
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Definition
(precentral gyrus)
voluntary muscle movements |
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Term
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Definition
(Broca's area)(left side)
Speech and breathing patterns |
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Term
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Definition
Voluntary muscle movements of the eyes
(anterior to motor cortex) |
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Term
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Definition
| tracts connecting pons and cerebrum |
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Term
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Definition
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Term
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Definition
Regulates heartbeat and breathing, blood pressure, swallowing
(VITAL FUNCTIONS) |
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Term
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Definition
| Connects cerebellar hemispheres |
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Term
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Definition
coordinates body movements
Balance |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| connects 2 sides of spinal cord |
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Term
| Central Canal (Spinal Cord) |
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Definition
| Cerebrospinal Fluid (CSF) |
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Term
Posterior root
(Dorsal root ganglion) |
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Definition
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Term
| Anterior root (ventral root) |
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Definition
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