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9 Cards in this Set

  • Front
  • Back
4 special functions of nerve cells
1.recieve info
2.produce an appropriate output signal
3.send signal to terminal ending
4.transmit signal to other nerve cells, glands, muscles
cell body
1.recieves and sends nerve impulses
2.contains nucleus
3.makes proteins
4.uses energy for maintenance and growth
contains all information needed to maintain the cell
1.recieves signals
2.sends electrical signal to cell body
3.respond to specific stimuli (sound, pressure,temp)
4.dendrites of brain respond to neurotransmitters
myelin sheath
1.whittish, fatty layer that insulates nerve fiber
2.speeds up nerve impulses
1.carrys impulses away
2.can make contact with up to 1000 other neurons
3.length = mm to 1 meter
synaptic terminals
1.end of axon
2.containt neurotransmitter
3.communicate wiht gland, muscle, second nuron
synapse between nerve cells
2.where communication happens
3.neurotransmitters are released
4.pre-synaptic vs. post
1.chems released from synaptic terminals
2.bind to receptors and make electrical charge
3.influence mood, sex drive, appettite, movement
4.serotonin, epinepherine