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SCT2 Neurology Topic 3 > SC White Matter and Tracts > Flashcards

Flashcards in SC White Matter and Tracts Deck (12)
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1

What are tracts?

BUNDLE OF AXONS IN CNS

2

__________ __________ consists of myelinated and unmyelinated axons of sensory neurons, interneurons, and motor neurons.

WHITE MATTER

3

Ascending tracts are ______________.

SENSORY
(AFFERENT)

4

Descending tracts are _____________.

MOTOR
(EFFERENT)

5

Most sensory tracts begin with what prefix?
Followed by part of brain where tract leads.

SPINO

6

Motor tracts end with what suffix?

SPINAL

7

Name the aka for fasiculus gracilis?

TRACT OF GOLL

8

Name the aka for fasiculus cuneatus?

TRACT OF BURDACH

9

Fasiculus gracilis picks up info from where?

LOWER LIMBS/TRUNK
T7 and BELOW

10

Fasiculus cuneatus picks up info from where?

UPPER LIMB
T6 and above

11

A _________ __________ is ONE motor neuron and all of the muscle fibers that it innervates.

MOTOR UNIT

12

What is a motor pool?

ALL UNITS WITHIN 1MM