Term
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Definition
| system that is responsible for supply of skin and musculoskeletal components |
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Term
| somatic system nerve types |
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Definition
| system comtains both sensory and motor fibers |
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Term
| autonomic system functions |
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Definition
| system is responsible for smooth muscles and glands |
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Term
| autonomic system nerve types |
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Definition
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Term
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Definition
| this cell is in the glands that autonomic system supplies |
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Term
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Definition
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Term
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Definition
| processing center; sends pulses out and receives information by using another system |
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Term
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Definition
| spinal and cranial nerves |
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Term
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Definition
| distribution center; nerves pass out to the body |
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Term
| sympathetic and parasympathetic system |
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Definition
| these systems does not occupy the entire CNS nor PNS |
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Term
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Definition
| occupies and uses the entire CNS and PNS |
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Term
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Definition
| 12 pairs of these in the body |
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Term
| function of cranial nerves |
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Definition
| take impulses to and from brain; serve the head and neck region |
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Term
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Definition
| 31 pairs of these in the body |
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Term
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Definition
| these nerves exit from brain and move out through foramen |
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Term
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Definition
| these nerves exit through intervertebral foramen present in vertebral column |
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Term
| break down of spinal nerves |
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Definition
| 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal |
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Term
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Definition
| portion of the CNS in the sympathetic system that consists of T1-L2 |
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Term
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Definition
| ALL of the spinal nerves take impulses and distribute through the rest of the body (no cranial nerves are involved) |
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Term
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Definition
| brain and sacral region of CNS in parasympathetic system |
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Term
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Definition
| consists of four cranial nerves (3,7,9,10) and spinal nerves (S2-S4) |
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Term
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Definition
| functional unit of nervous system; conduct impulses; contain 3 basic types |
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Term
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Definition
| most prominent neuron; found in gray matter in brain and spinal cord |
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Term
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Definition
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Term
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Definition
| small processes; can be from 1-many |
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Term
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Definition
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Term
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Definition
| seen in all of the special senses: retina of the eye, internal ear (special sense organ), olfactory epithelium (epithelium of nose responsible for smelling, taste buds |
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Term
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Definition
| rarely seen in brain, there is only 1 area where their seen |
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Term
| structure of multipolar neuron |
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Definition
| this neuron can have 1-many dendrites and 1 axon |
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Term
| structure of bipolar neuron |
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Definition
| this neuron has 2 poles: 1 dendritic process and 1 axonal process |
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Term
| structure of pseudounipolar neuron |
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Definition
| this neuron start out as having a cell body with one process that soon divides into 2: 1 dendritic and 1 axonal. |
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Term
| Pseudounipolar neuron location |
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Definition
| this neuron is found in the PNS, the "dorsal root ganglia" and in the snesory ganglia of the cranial nerves...not all C.N. have sensory ganglia but those which do contain these neurons. |
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Term
| location of multipolar neurons |
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Definition
| gray matter of spinal cord or gray matter in brain |
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Term
| neurofilaments and microtubules |
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Definition
| support cell body structure |
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Term
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Definition
| dark staining granules in the rough ER that synthesize proteins |
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Term
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Definition
| area around axonal process |
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Term
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Definition
| when one neuron makes contact with another neuron |
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Term
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Definition
| space in between the two connecting neurons |
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Term
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Definition
| axon before synapse; secrete neurotransmitters |
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Term
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Definition
| axon after the synapse; neurotransmitters are attached |
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Term
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Definition
| axon synapses on the dendrite; usually excitatory |
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Term
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Definition
| axon synapses on the soma (cell body); usually inhibitory |
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Term
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Definition
| dendrite synapses on another dendrite (RARE) |
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Term
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Definition
| axon synapses onto another axon (RARE) |
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Term
| different types of neurotransmitters released @ synapses |
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Definition
| acetylcholine, epinephrine, norepinephrine, serotinin, nitric oxide (produced in blood vessels), glutamate, GABA and dopamine |
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Term
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Definition
| in CNS most common inhibitory neurotransmittier (gamma amino buteric acid) |
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Term
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Definition
| in CNS the most common excitatory neurotransmitter; in PNS sensory uses this |
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Term
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Definition
| neurotransmitter for motor in PNS |
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Term
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Definition
| collection of neurons, or nerve cell bodies in CNS |
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Definition
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