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biopsychology
| Question | Answer |
|---|---|
| active transport | A protein mediated process that expends energy to pump chemicals from the blood into the brain |
| Afferent axon | brings information into a structure |
| efferent axon | carries information from a structure |
| astrocytes | star shaped, wrap around a group of pre-synaptic terminals, help synchronize activities of the axons also remove waste material and control blood flow into brain areas. |
| axon | thin fiber, information center |
| motor neuron | receives excitation from other neurons connected to a muscle |
| sensory neuron | specialized to a certain type of sense |
| dendrites | branching fibers that get narrower at their ends, receives info from other neurons |
| dendritic spines | short outgrowths that increase the surface areas for synapses |
| cell bodies or soma | contain nucleus ribosomes and mitochondria covered with synapses |
| myelin sheath | insulating material that covers axons |
| nodes of Ranvier | interruptions in the myelin sheath |