Term
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Definition
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Term
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Definition
| all nerve tissue outside CNS |
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Term
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Definition
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Term
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Definition
| Transmit info to effectors |
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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
| functions of nervous system |
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Definition
| receive stimuli, transmit info, integrate in/out information with memory |
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Term
| Neuroglial cell types (supportive) |
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Definition
| Astrocytes, microglial, oligodendroglia (Schwann), ependymal |
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Term
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Definition
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Term
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Definition
| protective (immune) support |
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Term
| oligodendroglia (schwann) |
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Definition
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Term
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Definition
| line central canal of brain |
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Term
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Definition
| structural/functional unit of nervous system, specialized for long distance transmission |
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Term
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Definition
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Term
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Definition
| nerve fibers (multiple for dendrites, single for axons) |
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Term
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Definition
| collection of cell bodies in CNS |
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Term
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Definition
| collection of cell bodies in PNS |
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Term
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Definition
| collection of nerve fibers in PNS |
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Term
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Definition
| collection of nerve fibers in CNS |
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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
| increase speed of conduction |
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Term
| Location of nerve impulse travel |
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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
| Synaptic transmission method |
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Definition
| usually chemical, with release/re-uptake of stored neurotransmitters |
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Term
| types of neurotransmitters |
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Definition
| acetylcholine, (nor)epinephrine |
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Term
| neurosecretory cells function |
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Definition
| secrete into blood, endocrine function |
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Term
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Definition
| Somatic, visceral, general vs. special, afferent vs. efferent |
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Term
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Definition
| innervate somatic tissue (muscle, skin, and derivatives) |
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Term
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Definition
| Innervates smooth muscle, glands, and has involuntary reflex arcs |
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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
| Dorsal root, ventral root, and ganglia |
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Term
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Definition
| dorsal root, sympathetic chain, collateral, visceral |
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Term
| special somatic sensory neurons |
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Definition
| sensory info from ear, LL system. restricted to certain cranial nerves |
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Term
| general somatic sensory neurons |
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Definition
| sensory info from pain, temp,. and touch in skin. found in spinal + cranial nerves |
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Term
| special visceral sensory nerves |
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Definition
| taste bud sensory, restricted to certain cranial nerves |
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Term
| general visceral sensory nerves |
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Definition
| sensory from wall of visceral tube, spinal + cranial nerves |
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Term
| Neuron embryonic sources (2) |
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Definition
| Within spinal cord, and neural crest cells |
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Term
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Definition
| neural crest cells migrate to specific locations and grow back to CNS, then out to tissues |
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Term
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Definition
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Term
| Spinal nerve distribution |
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Definition
| Named/numbered by location on vertebrae (cervical, thoracic, etc.) |
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Term
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Definition
| Nerves with roots in braincase, numbered anterior to posterior, 10-12 pairs |
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Term
| Cranial nerves (fish, amphibians) |
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Definition
| Up to 6 pairs of lateral line cranial nerves |
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Term
| Cranial nerves (Anamniotes) |
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Definition
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Term
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Definition
| From dorsal/ventral nerves of anterior spinal nerves |
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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
| Visceral, involuntary, both motor and sensory |
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Term
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Definition
| blood pressure, O2/CO2 tension, body/skin temperature, activity of viscera |
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Term
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Definition
| Cardiac/smooth muscle, glands, all viscera |
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Term
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Definition
| maintains internal environment |
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Term
| Sympathetic (Thoracolumbar) |
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Definition
| Fight or flight, synapse in sympathetic chain |
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Term
| Sympathetic neurotransmitters |
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Definition
| Acetylcholine (preganglionic), Norepinephrine (postganglionic) |
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Term
| Parasympathetic (Craniosacral) |
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Definition
| Dorsal cranial nerves, synapse in effector organs |
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Term
| Parasympathetic neurotransmitters |
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Definition
| Acetylcholine (pre and post - ganglionic) |
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Term
| Anatomic divisions of ANS (3) |
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Definition
| Cranial (cranial nerves), Spinal (spinal cord), and Enteric (intrinsic neurons in wall of alimentary tract) |
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Term
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Definition
Myenteric (Auerbach's) - outer wall of smooth muscle
Submucosal (Meissner's) - deep in smooth muscle near lumen |
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Term
| Lamprey/Lissamphibian/Amniotes |
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Definition
| Visceral motor neurons present |
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Term
| Chondrichthyan/Osteichthyan |
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Definition
| Sympathetic chain present |
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Term
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Definition
| Collateral ganglia absent, sympathetic innervation to heart absent |
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Term
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Definition
| Collateral ganglia occur, some spinal nerves shared with cranial nerves |
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Term
| Tetrapods (reptiles, birds, mammals) |
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Definition
| Paired sympathetic chain, dispersed collateral ganglia, cranial/spinal nerves delineated |
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