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18 Cards in this Set
- Front
- Back
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What type of transport uses kinesin?
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anterograde
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What types of things does slow anterograde transport move?
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-cytoskeletal proteins
-cytosolic enzymes |
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What types of things does fast anterograde transport move?
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-membrane associated proteins
-organelles -NTsq |
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What type of transport uses dynein?
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retrograde
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Nissl Bodies
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-free ribosomes interspersed btw rER cisternae
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what is the difference btw the functinos of microtubles and micro/neurofilaments?
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-microtubules help transport intracellular items
-filaments are mostly structural |
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Oligodendrocyte
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-CNS
-myelinates several axons |
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Schwann cell
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-PNS
-one schwann cell myelinates one axon |
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Synaptic densities
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-agreggations of electron dense material on the cytoplasmic side of the synaptic membranes
-also called active zones |
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asymmetric synapse
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-postsynaptic density thicker than presynaptic
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Round clear vesicles
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-at asymmetrical
-excitatory |
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Flat clear
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-at symmetrical
-GABA -inhibitory |
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Dense Core
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-assoc with catecholamines
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What are the 4 components of the blood brain barrier?
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1. capillary endothelial cells
2. pericytes 3. endothelial basement membranes 4. astroglial cell foot processes |
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Fibrous astrocytes
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-CNS
-in areas with a lot of myelin (white matter) |
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protoplasmic astrocytes
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-CNS
-associated with cell bodies (gray matter) -found close to BVs |
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Microglia
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-CNS
-phagocytes |
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Sattelite cells
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-PNS
-surround neuron cell bodies -nutritive/support role |
