Myelin Sheath

Question 1

Myelin sheath formed differently according to _

Answer 1

Location

Question 2

In peripheral nervous system (not brain/spinal cord) myelin sheath produced by specialized _

Answer 2

Schwann cells

Question 3

In CNS neurons given their myelin sheath by cells known as _

Answer 3

Oligodendrocytes

Question 4

Oligodendrocytes can myelin ate more than one _ at a time

Answer 4

Nerve axon

Question 5

Myelinated neurons look _

Answer 5

Whiter

Question 6

Grey matter made up of _ and unmyelinated fibers

Answer 6

Nerve cell bodies

Question 7

Each Schwann cell lied _ to next

Answer 7

Adjacent to, not touching

Question 8

Gaps between the cells without myelin is known as _

Answer 8

Node of Ranvier

Question 9

Electrical hops from one _ to another

Answer 9

Node of ranvier

Question 10

Myelin sheath has rings like a log. Rings are layers of _ cells

Answer 10

Schwann

Question 11

Myelinated increases nerve impulse speed by _ times

Answer 11

150

Question 12

Schwann cell membrane has high content of _ which is a good electrical insulator

Answer 12

Fatty substance