Brainscape's Knowledge GenomeTM

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


See full index

AP Bio - Lund > Ch 34 Vocab > Flashcards

Ch 34 Vocab Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

Axon hillock

A

Part of the neuron body that connects to he axon

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

Afferent

A

Sensory

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

Cell body/soma

A

Cell body of a neuron

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

Dendrites

A

Part of the neuron that receives impulses

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

Efferent neuron

A

Nerve impulses going away from the spinal cord

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

Axon terminal

A

Where axons make contact with other nerve cells

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

Glial cell

A

Surrounds neurons and provide support and insulation between them

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

Interneuron

A

Neuron that forms a connection between other neurons

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

Motor neuron

A

Nerve cell located in the spinal cord whose axon projects outside the spinal cord to control muscles

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

Myelin

A

Forms a layer around the axon

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

Nerve

A

Conveys impulses of sensation, motion, etc

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

Neuron

A

Building block of the nervous system

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

Postsynaptic cell

A

Recieves information from a neuron at the synapse

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

Presynaptic neuron

A

Transmits information to another cells at synapse

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

Schwann cells

A

Produce myelin sheath

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

Sensory neuron

A

Nerve cells that transmit sensory info

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

Synapse

A

Passing of signal from one nerve cell to another

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

Action potential

A

An impulse in a neuron taking the form of a wave of depolarization or hyperpolarization

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

All-or-nothing

A

Strength of a nerve is either all or nothing

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

Chemically gated

A

A channel that opens or closes depending on the presence or absence of a specific moelcule

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

Depolarized

A

Sudden electrical change

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

Electrochemical gradient

A

The concentration gradient of an ion across a membrane plus the voltage difference

22
Q

Gated ion channels

A

Gating the flow of ions across the cell membrane

23
Q

Mechanically gated

A

Channel that opens of closes due to mechanical force

24
Q

Membrane potential

A

The difference in electrical charge between inside and outside of a cell

25
Q

Nodes of Ranvier

A

Gap in the myelin sheath; the point where the axonal membrane can fire action potentials

26
Q

Resting potential

A

Membrane potential of a cell at rest

27
Q

Saltatory conduction

A

Action potentials jump between nodes of Ranvier

28
Q

Threshold

A

The level of depolarization that causes an electrically excitable membrane to fire an action potential

29
Q

Voltage gated

A

Channel that opens or closes with voltage changes

30
Q

Acetylcholine (ACh)

A

Neurotransmitter

31
Q

Excitatory

A

Input from a neuron that causes depolarization of the recipient cell

32
Q

Inhibitory

A

Input from a neuron that causes hyperpolarization

33
Q

Motor end plate

A

The depression in the postsynaptic membrane of the neuromuscular junction

34
Q

Neuromuscular junction

A

Connects the nervous system to the muscular system via synapses

35
Q

Summation

A

Determines whether or not an action potential will be triggered

36
Q

Autonomic nervous system

A

Involuntary nervous system

37
Q

Brainstem

A

Between the brain and spinal cord

38
Q

Central nervous sytem

A

The portion of the nervous system that is the site of most information processing, storage, and retrieval

39
Q

Cerebral cortex

A

Layer of neural tissue that overlies the cerbrum

40
Q

Cerebrum

A

Largest part of the brain; the chief coordination center of the nervous system

41
Q

Diencephalon

A

The portion of the forebrain that develops into the thalamus and hypothalamus

42
Q

Frontal lobe

A

Largest brain lobe; involved with feeling and planning

43
Q

Hypothalamus

A

Coordinates water balance, reproduction, temperature, and metabolism

44
Q

Limbic system

A

Involved in emotions, drives, instinctive behaviors, learning, and memory

45
Q

Occipital lobe

A

Processes visual info

46
Q

Parasympathetic nervous system

A

Regulates body’s unconscious actions

47
Q

Parietal lobe

A

Processes complex stimuli

48
Q

Peripheral nervous system

A

Transmits info to and from the central nervous system

49
Q

Spinal reflex

A

Conversion of afferent to efferent information

50
Q

Sympathetic nervous system

A

Division of autonomic nervous system, fight-or-flight response, homeostasis

51
Q

Temporal lobe

A

Processes auditory and visual information; involved in recognizing, identifying, and naming objects

52
Q

Thalamus

A

Involved in integration of sensory input

AP Bio - Lund (17 decks)

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