nervous System Flashcards

1
Q

brain

A

organ of soft nervous tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

spinal cord

A

cylindrical bundle of nerve fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Cranial nerves

A

twelve pairs of nerves which arise directly from the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Autonomic nervous system

A

controls muscles of internal organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Peripheral nervous system

A

outside of the brain and spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Dura mater

A

tough outermost membrane enveloping the brain and spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Pia mater

A

tender matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Arachnoid mater

A

middle layer of your meninges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Broca’s area

A

region of brain concerned with speech

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Medulla

A

inner region of a organ or tissue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cerebellum

A

back of the skull in vertabraes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Pons

A

links the medulla oblongata and the thalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Midbrain

A

located below the cerebral cortex and at the topmost part of the brainstrem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cerebrospinal fluid

A

clear watery fluid fills the space between arachnoid membrane and the pia mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Blood-brain barrier

A

helps keep harmful substances from the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hypothalamus

A

controls body temperature, hunger and thirst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Diencephalon

A

central portion of the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Stroke

A

blocks blood supply to the brain

19
Q

Brainstem

A

connects the cerebrum to the spinal cord and cerebellum

20
Q

Cerebral cortex

A

outermost layer

21
Q

Limbic system

A

involved with our behavior and emotion repsonses

22
Q

Phineas Gage

A

large rod through his brain and stayed awake the whole time

23
Q

Acetylcholine

A

a compound that occurs throughout the nervous system

24
Q

Dopamine

A

compound present in the body

25
GABA
cemical messenger in your brain
26
Glutamate
salt or ester of glutamic acid
27
Norepinephrine
another term for noradrenaline
28
Serotonin
monoamine neurotransmitter
29
Central nervous system
made up of brain and spinal cord
30
Somatic nervous system
use of skeletal muscles
31
Neuroglia
any of the cells that hold nerve cells in place and help them work the way they should
32
Astrocytes
star shaped glial cell of the central nervous system
33
Microglia
resident cells of the brain
34
Ependymal cells
ciliated- epithelial glial cells that develop
35
Oligodendrocytes
myenlinating cells of the central nervous system
36
Schwann cells
helps seperate and insulate nerve cells
37
Satellite cells
precursors to the skeletel muscle cells and are responsible for the ability of muscle tissue to regenerate
38
Dendrites
short branch extension of a nerve cell
39
Axon hillock
region where the plasma membrane generates nerve impulses
40
Axon terminal
very end of the axon
41
Myelin
an insulating layer
42
Nodes of Ranvier
specialized regions in the axonal membrane that are insulted by meylin
43
Depolarization
loss of polarization