Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Nervous system > Flashcards

Nervous system Flashcards

0
Q

Peripheral NS division

A

Somatic, autonomic

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

Central NS anatomical

A

Brain and spinal

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

Autonomic divisions

A

Sympathetic division

Parasympathetic division

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

Afferent division

A

Send info to CNS. Sensory receptors on cells

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

Efferent division

A

Transmits info from CNS sent back to organs

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

Somatic nerves

A

Innervate skeletal muscles voluntary

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

Visceral nerves

A

Inner ate glands, smooth and cardiac muscle involuntary

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

Soma

A

Cell body, processing center

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

Dendrites

A

Receivers of signals from body

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

Axon

A

Senders of outgoing messages from CNS to body

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

Perikaryon

A

Cytoplasm surrounding the nucleus

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

Neurofilaments and neurotubules

A

Extend into dendrites for support of the cell

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

Nissel bodies

A

RER, gives brain its overall gray color

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

Axoplasm

A

Cytoplasm of the axon

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

Stolen a

A

Membrane of the axon

  • complicated with lots of gates
  • phospholipid bilayer
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Axon hillock

A

Where the axon joins with soma

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

Collaterals

A

Branching of axon

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

Telodendria

A

Ending of collaterals

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

Synapse

A

A spot where a neuron meets another cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Presynaptic cell

A

Sends the a.p. Thru its axon, neurotransmitters, released, a neuron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Post synaptic

A

Bonds the neurotransmitter, could be another neuron, a muscle cell, a gland cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Axoplasmic transport

A

Need to move materials along axon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Movement can be: axo

A

Fast stream or slow stream

Anterograde or retrograde

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Rabies

A

Viral infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What happens when you get bitten by a wild raccoon

A

Rabies virus gets into your peripheral nerves

It travels from PNS to CNS by retrograde flow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Axaxonic

A

No real distinction between dendrite and axon, tiny, unsure of functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Unipolar

A

Dendrite and axon fused. Soma off to the side, sensory neurons in PNS m, longest axons- tips of toes to spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Bipolar

A

One very branched dendrite, one long axon, cell body inbetween, act as receptor cells, retina in eye and olfactory mucosa, smaller than uni and multi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Multipolar

A

2 or more dendrites and one axon, most common neuronal type in CNS, motor neurons

29
Q

Sciatic nerve

A

Longest cell in human body, tips of toes to spinal cord

30
Q

What gives the brain its what appearance

A

Myelinated axons

31
Q

Brain tumors

A

Neurons do not divide- no mitosis due to lack of centrioles

32
Q

Heavy metal poisoning

A

Makes you go crazy

33
Q

Lead

A

Comes from the Roman Empire

34
Q

Mercury

A

Issac Newton and mad hatter

Birth defects from mercury in fish consumed during pregnancy

35
Q

Diphtheria

A

Contaminated water
Toxin attacks Schwann cells in PNS
Injuries kidneys, lungs, adrenals
Vaccines exist

36
Q

Multiple sclerosis

A

Hits in 30s
Myelin hardens, forms sclerotic patches
Common to optic nerve, brain, and spinal cord
Episodic and progressive
More common if live in collar and temperate climates

37
Q

Giuliain-Burre

A

Lose control of limbs, then trunk
Immune response after a viral infection
Reversible demyelination

38
Q

Resting potential of thyroid

A

-50 Mac

39
Q

What’s the neuron’s resting potentials

A

-70mV

40
Q

How do we maintain unequal charge

A

Channels

41
Q

Sensory movement

A

Afferent divisions of PNS

10 plus million

42
Q

Visceral sensory neuron’s

A

Collect info about internal body environment

43
Q

Somatic sensory neuron’s

A

Collect info, about external environment and body movement

44
Q

Exterceptors

A

Monitor touch pressure temp sight smell and hearing

45
Q

Proprioceptors

A

Monitor joints and muscles

46
Q

Interceptors

A

Monitor digestion urinary reproductive pain taste

47
Q

Motor neurons

A

Efferent division of PNS

Send directions from CNS to muscle and glands

48
Q

Visceral motor neurons

A

Smooth muscle Cardiac, glands, fat

49
Q

Somatic motor neuron

A

Skeletal

50
Q

Interneurons

A

Most located in CNS

20 billion in body

51
Q

Association cells

A

The middle men
A) distribute sensory info
B) coordinate motor signals

52
Q

Astrocytes

A

Most numerous in CNS
Directs growth of neurons
Compose BBB

53
Q

Ependymal cells

A

Make and circulate CSF

54
Q

Oligodendrocytes

A

Myelinated the CNS making internodes

55
Q

Gaps in myelin called

A

Modes of Ranvier

56
Q

Microglia

A

Police force of CNS

57
Q

Satellite cell

A

Monitor environment of cell
Like
A strictest in CNS by function

58
Q

Schwann cells

A

Myelinate axons in PNS

Act like Oligos in CNS

59
Q

Leak channels

A

Passive, always open, maintains resting potential

60
Q

Gated channels

A

Active, open in response to stimulus changes the resting potentials= depolarize depolarizers the cell

61
Q

Interneurons

A

Most located in CNS

20 billion in body

62
Q

Association cells

A

The middle men
A) distribute sensory info
B) coordinate motor signals

63
Q

Astrocytes

A

Most numerous in CNS
Directs growth of neurons
Compose BBB

64
Q

Ependymal cells

A

Make and circulate CSF

65
Q

Oligodendrocytes

A

Myelinated the CNS making internodes

66
Q

Gaps in myelin called

A

Modes of Ranvier

67
Q

Microglia

A

Police force of CNS

68
Q

Satellite cell

A

Monitor environment of cell
Like
A strictest in CNS by function

69
Q

Schwann cells

A

Myelinate axons in PNS

Act like Oligos in CNS

Anatomy (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions