Nervous System Cells

Question 1

Neurons

Answer 1

Masses of nerve cells that transmit information

Question 2

Cell body

Answer 2

contains the nucleus and other cell organelles

Question 3

Dendrites

Answer 3

Shorter, more numerous, receive information

Question 4

Axons

Answer 4

Single long fibers, conducts information away from the cell

Question 5

Chromatophilic Substance (Rough ER)

Answer 5

Transport system

Question 6

Myelin

Answer 6

Insulation surrounding axons

Question 7

Modes of Ranvier

Answer 7

Gaps in the insulation

Question 8

Neuroglial Cells

Answer 8

Support for neurons

Question 9

Microglial Cells

Answer 9

immune function; digest debris, kill bacteria

Question 10

Oligodendrocytes

Answer 10

Make myelin sheath, that provides insulation around the axons (in the CNS)

Question 11

Astocytes

Answer 11

Connect blood vessels to neurons

Question 12

Ependymal Cells

Answer 12

Forms membranes around tissue

Question 13

Schwann Cells

Answer 13

form the insulating myelin sheath around the neurons
Same function as olidendrocytes, which are found in the CNS

Question 14

White Matter

Answer 14

myelinated axons

Question 15

Grey Matter

Answer 15

unmyelinated axons