Ch 9.1 - Cells

Question 1

acetylcholine

Answer 1

parasympathetic neurotransmitter

Question 2

axon

Answer 2

single process of a nerve cell carrying nervous impulse away from the cel

Question 3

dendrite

Answer 3

branched extension of the nerve cell body that receives nervous stimuli

Question 4

dopamine

Answer 4

precursor of norepinephrine; a neurotransmitter in small area of the brain

Question 5

endorphine

Answer 5

natural substance in the brain for pain relief

Question 6

myelin

Answer 6

material of the sheath around the axon of a nerve

Question 7

neurilemma

Answer 7

covering of a nerve around the myein sheath

Question 8

neurotransmitter

Answer 8

chemical agent that relays messages from one nerve cell to the next

Question 9

norepinephrine

Answer 9

parasympathetic neurotransmitter

Question 10

serotonin

Answer 10

neurotransmitter in the CNS and PNS

Question 11

synapse

synaptic (adj)

Answer 11

junction between two nerve cells or a nerve fiber and its and its target cell; where electrical impulses are transmitted between the cells.