Lecture 1: Dr. Beasley Basic Anatomy

Question 1

What are the cells of the nervous system?

Answer 1

Neuron

Supporting cell/neuroglia

Question 2

What are the parts of a neuron?

Answer 2

Cell body/Soma
Dendrite
Axon

Question 3

What are the supporting cells?

Answer 3

Astrocyte
Oligodendrocytes/Scwhann cells
Microglia
Ependymal cells

Question 4

What do astrocytes do?

Answer 4

BBB and regulation of extracellular ion balance and neurotransmitter buildup

Question 5

What do oligodendrocytes and schwann cells do?

Answer 5

Produce myelin

Question 6

What is microglia?

Answer 6

Macrophage of CNS

Question 7

What do ependymal cells do?

Answer 7

Cover ventricles and central canal

Question 8

What makes up the central nervous system?

Answer 8

Tracts and nuclei
Upper motor neuron
Brain and spinal cord

Question 9

What makes up the peripheral nervous system?

Answer 9

Nerves and ganglia

Lower motor neuron

Question 10

What makes up the autonomic nervous system,?

Answer 10

Sympathetic/Thoracolumbar system

Parasympathetic/Craniosacral system

Question 11

Look at brain picture

Answer 11

Look at brain picture

Question 12

What are the functional divisions of the spinal cord?

Answer 12

Cervical C1-5
Cervical intumenscence C6-T2
Thoracolumbar T3-L3
Lumbar intumenscence L4-S3
Caudal Cd1-5

Question 13

What do signals going to the muscle exit from?

Answer 13

The ventral horn

Question 14

Where do signals coming from a receptor to the brain come in?

Answer 14

Dorsal horn