nerves for bio psych
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Absolute refractory period | show 🗑
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| show | rapid depolarization and slight reversal of the usual polarization caused by stimulation beyond the threshold
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| Active transport | show 🗑
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| Afferent axon | show 🗑
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| show | principle stating that the size, amplitude, and velocity of the action potential are independent of the intensity of the stimulus that initiated it
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| show | relatively large, star-shaped glia cell
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| show | single thin fiber of constant diameter that extends from a neuron
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| Axon hillock | show 🗑
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| Blood-brain barrier | show 🗑
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| show | structure of a cell that contains the nucleus
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| Concentration gradient | show 🗑
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| show | short outgrowth along the dendrites
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| show | reduction in the level of polarization across a membrane
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| show | neuron that carries information away from a structure
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| show | difference in positive and negative charges across a membrane
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| Endoplasmic reticulum | show 🗑
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| show | type of cell in the nervous system that, in contrast to neurons, does not conduct impulses to other cells
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| Glucose | show 🗑
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| show | membrane potential that varies in magnitude and does not follow the all-or-none law
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| Hyperpolarization | show 🗑
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| show | neuron whose axons and dendrites are entirely contained within a given structure
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| show | neuron whose axons and dendrites are all confined within a given structure
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| show | drug that attaches to the sodium channels of the membrane, preventing sodium ions from entering and thereby blocking action potentials
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| Local neuron | show 🗑
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| Membrane | show 🗑
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| show | very small neurons that remove waste materials and microorganisms from the central nervous system
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| Mitochondrion (pl.: mitochondria) | show 🗑
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| show | neuron that receives excitation from other neurons and conducts impulses from its soma in the spinal cord to muscle or gland cells
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| show | insulating material composed of fats and proteins
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| Myelin sheath | show 🗑
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| Myelinated axon | show 🗑
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| Neuron | show 🗑
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| Node of Ranvier | show 🗑
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| show | structure within a cell that contains the chromosomes; also a cluster of neuron cell bodies within the CNS
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| Oligodendrocytes | show 🗑
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| show | electrical gradient across a membrane
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| show | tip of an axon, the point from which the axon releases chemicals
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| show | transmission of an action potential down an axon
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| show | type of glia cells that guides the migration of neurons and the growth of their axons and dendrites during embryological development
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| show | brief period following an action potential, when the cell resists the production of further action potentials
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| Relative refractory period | show 🗑
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| Resting potential | show 🗑
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| show | site at which the cell synthesizes new protein molecules
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| Saltatory conduction | show 🗑
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| show | glia cell that surrounds and insulates certain axons in the periphery of the vertebrate body
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| Selective permeability | show 🗑
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| show | neuron specialized to be highly sensitive to a specific type of stimulation
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| Sodium-potassium pump | show 🗑
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| show | chemical necessary for the metabolism of glucose
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| Threshold of excitation | show 🗑
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| Voltage-gated channel | show 🗑
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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Created by:
jondoh
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