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Definition
| converts stimuli into chemical signals |
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Definition
| extensions of cell cell body that receive info and transmit it toward cell body |
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Definition
| long cellular process that transmits signal away from cell body |
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| insulates axon to conduct impulses faster |
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| gaps between segments of myelin |
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Definition
-CNS
-glial cells that myelinate axons |
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Definition
-CNS
-maintain blood brain barrier
-regulate gas concentrations
-recycle neurotransmitters |
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Definition
-CNS
-remove debris and cellular pathogens |
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Definition
-CNS
-line the brain ventricles and produce cerebral spinal fluid |
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Definition
-PNS
-glial cells that produce myelin |
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Definition
-PNS
-surround neuron cell bodies in ganglia |
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Term
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Definition
-K+ higher inside
-Na+ higher outside
-negatively charged proteins inside |
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Term
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Definition
| -using ATP pumps 3Na+ out and 2K+ in |
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Term
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Definition
-depolarization-voltage gated Na+ channels open allowing Na+ to rush in (then they close)
-repolarization-voltage gated K+ pumps open and allow K+ to rush out
-hyperpolarization-overshooting the resting potential |
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Term
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Definition
| neurons that communicate with NON neurons |
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Term
| fate of neurotransmitters |
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Definition
-taken back up and recycled/degraded
-degraded by enzymes in synapse
-diffuse out of synapse |
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Term
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Definition
| -neurons that carrys sensory info to brain/spinal cord |
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Definition
| neurons that carry motor commands from brain/spinal cord to body |
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-outer gray matter (cell bodies)
-inner white matter (myelinated axons) |
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Term
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Definition
| telencephlon and diencephlon |
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Term
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Definition
| -cerebral cortex and and olfactory bulb |
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Term
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Definition
-gray matter
-processes/integrates sensory input
-memory and creative thought |
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Definition
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Definition
| -relay and integration center for SPINAL CORD and CEREBRAL CORTEX |
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Term
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Definition
| -controls endocrine system and viceral functions (hunger, thirst, sex drive, blood pressure, temperature) |
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Definition
| relay center for visual, auditory, and motor control |
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Term
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Definition
| cerebellum, medulla, pons |
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Term
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Definition
-helps regulate motor impulses from cerebral cortex
-balance, hand eye coordination, timing of rapid movements |
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Term
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Definition
| breathing, heart rate, gastrointestinal |
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Definition
| relay center from CEREBRAL CORTEX to CEREBELLUM |
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Term
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Definition
-reflexes
-outer white matter (axons)
-inner white matter (cell bodies) |
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Term
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Definition
-nerves and ganglia
-sensory nerves that enter CNS and motor nerves that leaves CNS |
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Term
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Definition
| -voluntary movement of skeletal muscle |
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Definition
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| supplies retina with blood |
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| light travels through here |
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Definition
| vibrates at same freq as sound |
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Term
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Definition
-3 bones that amplify sound
-exerts pressure on cochlea stimulating hair cells to transduce AP |
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