10 Nervous System Vocab

Question 1

cerebrum fxn

Answer 1

thinking, personality, sensations, movements, memory

Question 2

thalamus fxn

Answer 2

relay station (triage center) for sensory impulses- control of awareness and consciousness

Question 3

hypothalamus fxn

Answer 3

body temp, sleep, appetite, emotions, control of pituitary gland

Question 4

cerebellum fxn

Answer 4

coordination of voluntary movements and balance

Question 5

pons fxn

Answer 5

connection of nerves (to the eyes and face)

Question 6

medulla oblongata fxn

Answer 6

nerve fibers cross over, left to right and right to left; contains centers to regulate heart, blood vessels, and respiratory system

Question 7

afferent nerve

Answer 7

carries messages towards the brain and spinal cord (sensory nerves)

Question 8

astrocyte

Answer 8

glial cell that transports water and salts from capillaries

Question 9

ANS autonomic

Answer 9

nerves that control involuntary body functions of muscles, glands, and internal organs

Question 10

CNS

Answer 10

central nervous system- brain and spinal cord

Question 11

cerebellum

Answer 11

coordinates muscle movements and maintains balance

Question 12

cerebral cortex

Answer 12

outer region of the cerebrum, containing sheets of nerve cells, gray matter of the brain

Question 13

cerebrum

Answer 13

largest part of the brain; voluntary muscle activity, vision, speech, taste, hearing, thought, and memory

Question 14

efferent nerve

Answer 14

carries message away from the brain and spinal cord (motor nerve)

Question 15

ependymal cell

Answer 15

glial cell that lines membranes within the brain and spinal cord and helps form CSF

Question 16

glial cell/neuroglial cell

Answer 16

supportive and connective nerve cell that does not carry nervouse impulses

Question 17

ganglion

Answer 17

collection of nerve cell bodies in the PNS

Question 18

gyrus/gyri

Answer 18

sheet of nerve cells that produces a rounded ridge on the surface of the cerebral cortex

Question 19

hypothalamus

Answer 19

portion of the brain beneath the thalamus; controls sleep, appetite, body temperature, and secretions from the pituitary

Question 20

medulla oblongota

Answer 20

controls breathing, HR, dilation of vessels, nerve fibers cross over here

Question 21

microglial cell

Answer 21

phagocytic glial cell that removes waste products from the CNS

Question 22

oligodendroglial cell

Answer 22

glial cell that forms the myelin sheath covering axons

Question 23

parasympathetic nerves

Answer 23

involuntary, autonomic nerves that regulate normal body functions such as heart rate, breathing, and muscles of the gi tract

Question 24

parenchyma

Answer 24

essential tissue or organ of a system

Question 25

stroma

Answer 25

connective and supporting tissue of an organ

Question 26

sympathetic nerves

Answer 26

autonomic nerves that influence bodily functions involuntarily in times of stress

Question 27

thalamus

Answer 27

main relay center of the brain, conducts impulses between the spinal cord and the cerebrum

Question 28

vagus nerve

Answer 28

cranial nerve 10, only spinal nerve to leave head