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Chapter 51: The Nervous System


Key Terms

Chapter 51: The Nervous System

p. 992: sensory receptors, motor effectors, sensory (afferent) neurons, motor (efferent) neurons, association neurons (interneurons), central nervous system (CNS), peripheral nervous system (PNS), somatic motor neurons, autonomic motor neurons, sympathetic system, parasympathetic system

p. 993: neurons, cell body, dendrites, axon, supporting cells, neuroglia, Schwann cells, oligodendrocytes, myelin sheaths, myelinated, unmyelinated, white matter, gray matter, nerves, nodes of Ranvier

p. 994: nerve impulses, potential difference (voltage), membrane potential, resting membrane potential, volts, fixed anions

p. 995: cations, equilibrium potential, depolarization, hyperpolarization

p. 996: gates, voltage-gated ion channels, action potential, threshold, rising phase, repolarization, falling phase, undershoot, all-or-none law, refractory period

p. 997: decrement, saltatory conduction

p. 998: synapses, presynaptic cell, postsynaptic cell, synaptic cleft, synaptic vesicles, neurotransmitters, receptor proteins

p. 999: neuromuscular junction, acetylcholine (ACh), chemically regulated ion channel, excitatory postsynaptic potential (EPSP), acetylcholinesterase (AChE)

p. 1000: glutamate, glycine, GABA (gamma aminobutyric acid), inhibitory postsynaptic potential (IPSP), diazepam (Valium), biogenic amines, epinephrine (adrenalin), norepinephrine, dopamine, serotonin, catecholamines, L-dopa (dihydroxyphenylalanine), Prozac, raphe nuclei, neuropeptides, neuromodulators

p. 1001: substance P, enkephalins, endorphins, opium, morphine, heroin, analgesic, endogenous opiates, synaptic integration

p. 1002: cocaine, limbic system, nicotine

p. 1004: nerve net, tracts, hindbrain (rhombencephalon), midbrain (mesencephalon), forebrain (prosencephalon)

p. 1005: cerebellum, pons, medulla oblongata, optic lobes, olfactory, diencephalon, thalamus, hypothalamus, telencephalon, cerebrum

p. 1007: cerebral hemispheres, corpus callosum, frontal lobe, parietal lobe, temporal lobe, occipital lobe, contralateral, cerebral cortex

p. 1008: primary motor cortex, gyrus, sulcus, primary somatosensory cortex, auditory cortex, visual cortex, association cortex, basal ganglia (singular: ganglion)

p. 1009: brainstem, hippocampus, amygdala, limbic system

p. 1010: reticular formation, reticular activating system, electroencephalogram (EEG), alpha waves, beta waves, theta waves, delta waves, slow-wave sleep, REM sleep, Wernicke's area, Broca's area

p. 1011: aphasias, short-term memory, long-term memory, long-term potentiation (LTP), Alzheimer’s disease, beta amyloid peptides, plaques, tau, tangles

p. 1012: meninges, reflexes

p. 1013: monosynaptic reflex arcs, muscle stretch reflex, muscle spindle apparatus

p. 1014: ganglia, dorsal root, ventral root, dorsal root ganglia

p. 1016: preganglionic neuron, postganglionic neuron, sympathetic chain

p. 1017: adrenal medulla, epinephrine (adrenalin), fight-or-flight

p. 1018: G-proteins

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