Spinal Cord Grey Matter Flashcards Preview

SCT2 Neurology Topic 3 > Spinal Cord Grey Matter > Flashcards

Flashcards in Spinal Cord Grey Matter Deck (10)
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1
Q

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

A

ANTERIOR MEDIAN FISSURE
+
POSTERIOR MEDIAN SULCUS

2
Q

What is the grey matter said to resemble?

A

BUTTERFLY

3
Q

What is the grey matter butterfly surrounded by?

A

WHITE MATTER

4
Q

What does the grey matter consist of?

A
CELL BODIES OF NEURONS
\+
NEUROGLIA
\+
UNMYELINATED AXONS
\+
DENDRITES
5
Q

The tiny ________ _________ is in the grey matter.

A

CENTRAL CANAL

6
Q

What is the central canal filled with?

A

CEREBROSPINAL FLUID

7
Q

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

A

HORNS

8
Q

The ventral horn contains the cell bodies of what?

A

LOWER MOTOR NEURONS (LMN)

9
Q

Lower motor neurons are neurons that leave the __________.

A

NEURAXIS

brainstem and SC

10
Q

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

A

MM OF THE BODY