Supporting Cells Of The Nervous System

Question 1

Neurons are surrounded by _

Answer 1

Neuroglia

Question 2

Neuroglia is a collective name given to group of small supportive cells which make up about half the bulk of _

Answer 2

CNS

Question 3

Neuroglial cells outnumber neurons _ to _

Answer 3

10

1

Question 4

(Neuroglial cell functions)

_ is the most abundant neuroglial cells

Answer 4

Astrocytes

(Star shape)

Question 5

Astrocytes anchor neurons to their _

Answer 5

Blood supply

Question 6

Astrocytes determine what substance can pass between _ and _

Answer 6

Blood

Brain

(Blood-brain barrier)

Question 7

(Neuroglial cell functions)

Microglia are small oval cells specialized to ingest any _ or _

Answer 7

Invading micro-organisms

Dead tissue

Question 8

Ingest aka _

Answer 8

Phagocytose

Question 9

_ cells provide myelin sheath for neurons of the CNS

Answer 9

Oligodendrocytes

Question 10

Ependymal cells line the _ of the CNS

Answer 10

Fluid-filled ventricles

Question 11

Ependymal cells may be a variety of shapes from _ to _

Answer 11

Flat

Columnar

Question 12

Ependymal cells have tiny _

Answer 12

Brush-like cilia

Question 13

Brush-like cilia on surfaces of Ependymal cells beat to maintain circulation of _ fluid

Answer 13

Cerebrospinal