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

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

ANTERIOR MEDIAN FISSURE
+
POSTERIOR MEDIAN SULCUS

2

What is the grey matter said to resemble?

BUTTERFLY

3

What is the grey matter butterfly surrounded by?

WHITE MATTER

4

What does the grey matter consist of?

CELL BODIES OF NEURONS
+
NEUROGLIA
+
UNMYELINATED AXONS
+
DENDRITES

5

The tiny ________ _________ is in the grey matter.

CENTRAL CANAL

6

What is the central canal filled with?

CEREBROSPINAL FLUID

7

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

HORNS

8

The ventral horn contains the cell bodies of what?

LOWER MOTOR NEURONS (LMN)

9

Lower motor neurons are neurons that leave the __________.

NEURAXIS
(brainstem and SC)

10

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

MM OF THE BODY