MicroAnatomy. Flashcards

1
Q

Neuron: Core region is called

A

cell body or soma

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

Main root of neuron is called

A

axon
which carries messages
to other neuron

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

Dendrites vs cell body vs Axon

A

gather information ,from other neuron,integrates the information,carries information to be passed on to other cells

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

Dendrites spines are

A

point of contact with axons of other cells

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

Axon hillock vs Axon collaterals

A

where the action potential begins,Branch of an axon

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

Terminal button

A

Knob at the tip of an axon that conveys information to otherneurons

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

Sensory neurons

A

carry information from the sensory receptors in or on the body
to the spinal cord

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

Interneurons

A

associate sensory and motor activity within the central

nervous system

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

Interneurons

A

send signals from the brain and spinal cord to muscles

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

Somatosensory dendrites

A

Connects directly to its axon

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

Purkinje cells

A

A distinctive interneuron with extremely branched dendrites

that form a fan shape

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

three organizational aspects of neuron

A

input, association, and output

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

Ependymal cells

A

Make and secrete cerebrospinal fluid (CSF)

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

Astrocyte does this

A

Structural support for neurons,
Transports substances between neurons and capillaries,
Enhancement of brain activity by providing fuel to active brain
regions

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

Microglia does this

A

Originate in the blood as offshoot of immune system, gets rid of dead cells and They identify and attack foreign tissue

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

Schwann cell

A

Glial cell in the peripheral nervous system that myelinates

axons

17
Q

Oligodendroglial cell

A

Glial cell in the central nervous system that myelinates axons

18
Q

what doesn’t happen in Central nervous system

A

cells Repair does not take place;

19
Q

In the PNS

A

Microglia and Schwann cells help repair neurons

20
Q

Cell’s proteins determine

A

characteristics and functions

21
Q

what plays a important cell’s

function

A

Water, salts, and ions

22
Q

Elements are

A

Naturally occurring substance

23
Q

Neutrons have a

A

neutral charge

24
Q

Protons carry a

A

positive charge

25
Q

electrons carry

A

carry a negative

26
Q

with salt Positively and negatively charged ion are

A

held together by their electrical connection

27
Q

with water Atoms

A

held together by shared electron

28
Q

Ribosomes

A

Protein structures that act as catalysts for protein synthesis

29
Q

Codon does this

A

Sequence of three bases on mRNA that codes for a particular

amino acid

30
Q

Enzyme

A

Protein catalyst that facilitates the cell’s chemical reactions