問題一覧
1
receives information from other neurons
DENDRITES
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the end of each branch of an axon that appears like swelling
PRESYNAPTIC TERMINAL
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highly sensitive to a particular type of stimulation, such as light, sound or touch
SENSORY NEURON
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short outgrowths that increase the surface area available for synapses
DENDRITIC SPINES
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his research demonstrated that nerve cells remain separate of merging to one another
SANTIAGO RAMON y CAJAL
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carries information away from a structure
EFFERENT AXON
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the mechanism that excludes most chemicals in the vertebrate brain
THE BLOOD-BRAIN BARRIER
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receive information and transmit it to other cells
NEURONS
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received excitation through its dendrites and conducts impulses along its axon to a muscle
MOTOR NEURON
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the only nutrient that crosses that blood-brain barrier in large quantities
GLUCOSE
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also known as the end bulb
PRESYNAPTIC TERMINAL
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the amplitude and velocity of action potential are independent of the intensity of the stimulus that initiated it, provided that the stimulus reach the threshold
THE "ALL OR NONE" LAW
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found in the brain and the spinal chord
OLIGODENDROCYTES
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guide the migration of neurons and their axons and dendrites during embryonic development
RADIAL GLIA
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5 PROCESS FROM 1 TO 5
SKIP
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other term for soma
CELL BODY
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comes from the greek word TREE
DENDRITES
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also known as NEUROGLIA
GLIA
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neurons that depend almost entirely on glucose
VERTEBRATE NEURONS
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detailed drawing of the nervous system
SANTIAGO RAMON y CAJAL
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shields the neurons from chemicals circulating by taking up ions and transmitters released by axons and releasing them back, it helps synchronize closely related neuron enabling axons to send messages in waves
ASTROCYTES
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if cells's dendrites and axon are entirely contained within a single structure
INTRISTIC NEURON
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performs many functions
GLIA
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acts as a part of the immune system removing viruses and fungi from the brain
MICROGLIA
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a protein mediated process that expends energy to pump chemicals from the blood into the brain
ACTIVE TRANSPORT
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what prepares the neuron to respond rapidly?
RESTING POTENTIAL
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came from the greek word glue
GLIA
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in the periphery of the body build myelin sheaths that surround and insulate certain vertebrate axons
SCHWANN CELLS
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need of blood-brain barrier?
TO MINIMIZE THE RISK OF IRREPARABLE BRAIN DAMAGE
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comes from the greek word AXIS
AXON
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it contains the nucleus, ribosomes, and the mitochondria
CELL BODY OR SOMA
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a pioneer in neuron-science
SANTIAGO RAMON y CAJAL
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brings information to the structure
AFFERENT AXON
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form the walls of the capillaries
ENDOTHELIAL CELLS
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it conveys an impulse toward other neurons, an organ or a muscle
AXON
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the most distictive feature of a neuron
SHAPE
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where axon releases chemicals that cross through the junction between that neuron and another cell
PRESYNAPTIC TERMINAL
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are star-shaped around the synapses of functionally related axons
ASTROCYTES
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greek word for axon
AXIS
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held neurons together
GLIA
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active partners of neurons
ASTROCYTES