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Flashcards in Peripheral NS Deck (11)
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1

How does Luxol fast blue/cresyl violet stain?

Stains myelin blue
Nuclei and Nissel substance are violet to purple

2

Nissl substance

Ribosomes
Rough ER

3

Peripheral ganglia contain one of what 2 types of information

Sensory or autonomic

4

Lipofuscin

Wear and tear pigment
Tertiary lysosomes
Found in peripheral ganglia cell bodies

5

2 cell types that make up the glia in ganglia

Satellite cells
Schwann cells

6

Satellite cells

A type of glial cell
Small flattened cells that surround the neuronal cell bodies and provide structural and metabolic support to neurons

7

Intrafusal muscle fibers

Found within the muscle spindle capsule
Specialized, small diameter spindle muscle fibers
Have both a sensory and motor supply

8

Where are Schwann cells derived from embryologically?

Neural crest cells

9

What is found within an axon? (3)

Microtubules
Neurofilaments
Mitochondria

10

How can you tell between vesicles that contain ACh vs NE?

ACh are clear
NE are dark

11

Function of postjunctional folds

Increase the surface area for the ACh receptors