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Two principle types of cells |
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Definition
Neurons and supporting cells |
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Definition
aid the functions of neurons and are about 5 times more abundant than neurons. |
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In CNS supporting cells are collectively called |
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Which cell divides in mitosis (Glial cells or neurons) |
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Definition
Glial cells are able to divide by mitosis |
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What are the three principal regions in neurons? |
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Definition
1. a cell body 2. dendrites 3. an axon |
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Definition
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Does the use of cocaine create a hypo- or hyper-polarization in postsynaptic cleft, and why? |
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If we have "white matter" in CNS, what cell is it? |
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Definition
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What divides brain from ear to ear, which would be dividing the sensory area and the motor area |
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What is dividing the left and right hemisphere |
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What are two techniques for visualizing brain function? |
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Definition
EEG, fMRI(functional magnetic resonance imaging), ad MEG(Magneto-encephalo-gram-) |
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Term
What kinds of waves are in a emotional stressed person? |
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Definition
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Term
Four words used in action potential towards depolarization? |
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Definition
Excitatory post-synapic potentiation |
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Term
Cells that allow communication between cardiac muscle |
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Definition
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Term
Two gases that are used as neurotransmitters |
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Definition
C0(Carbon monoxide), and N0(Nitric-oxide) |
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Term
What controls many activities of the autonomic system? |
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Definition
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Term
Centers for cardiovascular, pulmonary, urinary, reproductive and digestive systems are located in the... |
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Definition
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Term
What does AchE stand for? |
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Definition
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Term
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Definition
It hydrolysis into acetyl and choline, which then helps with re-uptake, goes back to form AchE and be used again |
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Term
Give 5 steps in neurotransmitter release |
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Definition
1.Action potentials reach axon terminals
2.Voltage-gated Ca2+ channels open
3.Ca2+ binds to sensor protein in cytoplasm
4.Ca2+ protein complex stimulates fusion
5.Stimulates exocytosis of neurotransmitters |
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Term
What is a type of CNS supporting cell that helps hold neurons away from each other and forms myelin sheaths around axons (multiple axons) |
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Definition
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Gaps between myelin sheath are |
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Definition
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What are the two divisions in the autonomic system? |
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Definition
Sympathetic and para-sympathic |
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