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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 |