Peripheral NS

Question 1

How does Luxol fast blue/cresyl violet stain?

Answer 1

Stains myelin blue

Nuclei and Nissel substance are violet to purple

Question 2

Nissl substance

Answer 2

Ribosomes

Rough ER

Question 3

Peripheral ganglia contain one of what 2 types of information

Answer 3

Sensory or autonomic

Question 4

Lipofuscin

Answer 4

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

Question 5

2 cell types that make up the glia in ganglia

Answer 5

Satellite cells

Schwann cells

Question 6

Satellite cells

Answer 6

A type of glial cell

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

Question 7

Intrafusal muscle fibers

Answer 7

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

Question 8

Where are Schwann cells derived from embryologically?

Answer 8

Neural crest cells

Question 9

What is found within an axon? (3)

Answer 9

Microtubules
Neurofilaments
Mitochondria

Question 10

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

Answer 10

ACh are clear

NE are dark

Question 11

Function of postjunctional folds

Answer 11

Increase the surface area for the ACh receptors