nervous system

Question 1

cephal/o

Answer 1

head

Question 2

cerebell/o

Answer 2

cerebellum

Question 3

cerebr/o, cerebr/i

Answer 3

cerebrum

Question 4

crani/o

Answer 4

cranium

Question 5

encephal/o

Answer 5

brain

Question 6

gangli/o

Answer 6

ganglion

Question 7

gli/o

Answer 7

neuroglia

Question 8

meaning/o, meningitis/o

Answer 8

meninges

Question 9

myel/o

Answer 9

bone marrow, spinal cord

Question 10

neur/o, neur/I

Answer 10

nerve

Question 11

spin/o

Answer 11

spine

Question 12

thalam/o

Answer 12

thalamus

Question 13

vag/o

Answer 13

vagus nerve

Question 14

ventricul/o

Answer 14

ventricle

Question 15

nerve cell

Answer 15

basic cell of the nervous system having three parts: cell body, dendrite, and axon neuron

Question 16

neuron

Answer 16

basic cell of the nervous system having three parts; nerve cell

Question 17

cell body

Answer 17

part of a nerve cell that has branches or fibers that reach out to send or receive impulse

Question 18

dendrite

Answer 18

a thin branching extension of nerve cell that conducts nerve impulses toward the cell body

Question 19

axon

Answer 19

part of nerve cell that conducts nerve impulse away from the cell body

Question 20

myelin sheath

Answer 20

fatty tissue that covers axon

Question 21

terminal end fibers

Answer 21

group of fibers at the end of an axon that passes the impulses leaving the neuron to the next neuron

Question 22

synapse

Answer 22

space over which nerve impulses jump from one neuron to another

Question 23

neurotransmitters

Answer 23

various substances located in tiny sacs at the end of the axon

Question 24

excitability

Answer 24

ability to respond to stimuli

Question 25

stimulus

Answer 25

anything that arouses a response

Question 26

conductivity

Answer 26

ability to transmit a signal

Question 27

efferent

Answer 27

neuron that carries information to the muscles and glands from the central nervous system

Question 28

afferent

Answer 28

neuron that carries information from the sensory receptors to the central nervous system

Question 29

interneuron

Answer 29

neuron that carries and possesses sensory information

Question 30

nerve

Answer 30

bundle of neurons that bear electrical messages to the organs and muscles of the body