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17 Cards in this Set
- Front
- Back
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What are the 4 lobes of the cortex
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*Frontal
*Parietal *Temporal *Occipital |
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What are the basic divisions o the nervous system
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*Central
-brain -spinal cord *Peripheral -Everything else -Cranial nerves |
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How many nerve cells do we have
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10^12
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Properties of cells are determined by what
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Genes
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How many glial cells do we have
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10^14
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What do glial cells help do
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Support the nerve cells in the brain, + more
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Cells communicate by connections called what
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Synapses
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What is accompolished by the nervous system
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Perception
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What does gray matter correspond to
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Cell bodies of neurons and glial cells
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What does white matter correspond to
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Tracts transversing the brain and spinal cord and connecting different regions
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What are the cortical layers
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1. neurons "belong" to specific layers and send their processes to other specific layers
2. different regions of the cortex have different layering patterns 3. Precise writing withing and between regions |
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What are the basic parts of a neuron
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*Cell body
*axon *dendrites *synapses |
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The cell body contains what basic parts
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1. cytosplasm
2. nucleus 3. ribosomes 4. mitochondria 5. cytoskeleton |
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Cytosplasm includes what
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The cell membrane, including the various organelles
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What is cytosol
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The internal fluid of the cell, is gel-like, mostly water with a high concentration of protein
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How is cytosol at the molecular level
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Highly organized
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Where is genetic material and the chromosones located
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Nucleus
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