n

nerve

Node of Ranvier

Perikaryon

Schwann Cell

nerve

Axon Hillock

Dendrite

Axon Terminal

Axon

Nucleus of Schwann cell

Nucleus

Axon vs. Dendrite

Axon vs. Dendrite

Axon vs. Dendrite

CNS

CNS

Spinal Cord Cajal

Spinal Cord Cajal

Cerebral Cortex

Pyramidal Cells vs. Spinal Cord Gray Matter

PNS

PNS

ANS - Ganglia

• Epineurium

• Perineurium

• Endoneurium

Peripheral Nerve

Cross section of nerve

Peripheral Nerve

• Endoneurium• Perineurium• Epineurium

Peripheral Nerve – High Power (Cajal)

Peripheral Nerve – High Power (H&E)

What’s the purple? What’s the white?

Peripheral Nerve

• Why is this a Nerve, not a Ganglion?

What are these?

CNS

PNS

Questions 1 & 2. . .

A

B

Question 3. . .

Figure A Figure B

Question 4. . .

Question 5. . .

Question 6. . .