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Histology > Exam 2 Lecture - Nervous Tissue > Flashcards

Exam 2 Lecture - Nervous Tissue Flashcards

1
Q

What are the three layers of the meninges?

A

dura mater, arachnoid, pia mater

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2
Q

Arachnoid + pia mater =

A

leptomeninges

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3
Q

What is the subarachnoid space?

A

the space between the arachnoid and pia mater

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4
Q

Where does the CSF circulate?

A

the subarachnoid space and the central canal of the spinal cord

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5
Q

What are some common ailments associated with the meninges?

A

meningitis and meningioma

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6
Q

What are the two components of the spinal cord?

A

White matter and grey matter

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7
Q

What structures are within the gray matter?

A

neurons and neuroglia

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8
Q

What structures are within white matter?

A

neuroglia

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9
Q

What are the two roots of the spinal cord?

A

the ventral root and the dorsal root

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10
Q

What type of neurons are in the dorsal root?

A

unipolar sensory

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11
Q

What type of neurons are in the ventral root?

A

multipolar motor

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12
Q

What are neurons?

A

excitable cells that generate action potential

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13
Q

What is the morphology of a neuron?

A
  • Cell body (soma)
  • Dendrites
  • Axon
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14
Q

What are the parts of the soma of the cell body?

A
  • Nucleus
  • Nucleolus
  • Nissl Substance
  • Rough Endoplasmic Reticulum
  • Ribisomes
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15
Q

What is the structure of a unipolar neuron?

A

an axon with the cell body off of the main stem

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16
Q

What is the structure of the multipolar neuron?

A

a simple axon

17
Q

What is the structure of a bipolar neuron?

A

the cell body is in the middle of the neuron with dendrites connecting to a set of branches on one side and an axon connecting to a set of branches on the other

18
Q

What is the perikaryon?

A

the cell body

19
Q

Where is the dura mater located?

A

the outermost layer of the meninges

20
Q

Where is the arachnoid located?

A

the middle layer of the meninges

21
Q

Where is the pia mater located?

A

the inner most layer of the meninges

22
Q

What is the dura mater composed of?

A

collagen fibers, elastic fibers, fibroblasts, nerves, lymph vessels, and blood vessels

23
Q

What is the arachnoid and pia mater composed of?

A

fibroblasts and collagen fibers

Histology (36 decks)

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