Topic 19: Nervous System - CNS - Forebrain - Cerebrum Layers - tracts + basal nuclei Flashcards
1
Q
recall that tracts are ___ matter
A
white
2
Q
What are the 3 types of tracts?
A
- associated tracts
- commisural tracts
- projection tracts
3
Q
Where are associated tracts?
A
- from gyrus to gyrus in same hemispheres
4
Q
What are commissural tracts?
A
from gyrus to gyrus in opposite hemispheres
ex. corpus callosum
5
Q
Where are projection tracts?
A
- run vertically (brain to spinal cord, spinal cord to brain)
6
Q
What are basal nuclei?
A
- paired masses of gray matter (within white matter)
7
Q
What is the function of basal nuclei?
A
control skeletal movement
