Neuron Parts

Question 1

Dendrites

Answer 1

Root-like processes that receive impulses and conduct them to the cell body

Question 2

Axon

Answer 2

Process that conducts impulses away from the nerve cell, many protected by a white fatty tissue covering called a myelin sheath

Question 3

Terminal end fibers

Answer 3

Branching fibers at the end of the axon that lead the nerve impulse from the axon to the synapse

Question 4

synapse

Answer 4

Space between two neurons or between a neuron and a receptor organ, a single neuron can have a few or several hundred synapses

Question 5

Neurotransmitters

Answer 5

Chemical substances that make it possible for messages to cross from synapse of a neuron to the target receptor

Question 6

Acetylcholine

Answer 6

Released at som esynapses in the spinal cord and neuromuscular junctions, influences muscle action

Question 7

Dopamine

Answer 7

Released within the brain, excess = schizo, mood and thought disorders and movement disorders

Question 8

Endorphins

Answer 8

Help relieve pain

Question 9

Norepinephrine

Answer 9

Alertness and arousal, increasing bp and heart rate and releasing stores of glucose in response to stress, released by the adrenal gland as part of fight or flight

Question 10

serotonin

Answer 10

Roles in sleep, hunger, and pleasure recognition, mood disorders