Spinal Cord Grey Matter

Question 1

Name the two features which partially divide the spinal cord into left and right sides?

Answer 1

ANTERIOR MEDIAN FISSURE
+
POSTERIOR MEDIAN SULCUS

Question 2

What is the grey matter said to resemble?

Answer 2

BUTTERFLY

Question 3

What is the grey matter butterfly surrounded by?

Answer 3

WHITE MATTER

Question 4

What does the grey matter consist of?

Answer 4

CELL BODIES OF NEURONS
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NEUROGLIA
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UNMYELINATED AXONS
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DENDRITES

Question 5

The tiny ________ _________ is in the grey matter.

Answer 5

CENTRAL CANAL

Question 6

What is the central canal filled with?

Answer 6

CEREBROSPINAL FLUID

Question 7

What is the grey matter in the spinal cord divided into?

Answer 7

HORNS

Question 8

The ventral horn contains the cell bodies of what?

Answer 8

LOWER MOTOR NEURONS (LMN)

Question 9

Lower motor neurons are neurons that leave the __________.

Answer 9

NEURAXIS

brainstem and SC

Question 10

LMNs in the cranial nerves innervate mm of the head, while LMNs that leave the SC innervate what?

Answer 10

MM OF THE BODY