Definitions Flashcards
0
Q
Grey matter
A
Tissue containing cell bodies of neurons.
1
Q
Cortex
A
outer, or most superficial, layer of an organ.
2
Q
White matter
A
Tissue containing axons of neurons.
3
Q
Gyri
A
Elevated ridges
4
Q
Sulci
A
Shallow grooves
5
Q
Fissures
A
Deep grooves
6
Q
Nucleus
A
A cellular organelle of eukaryotes that is essential to cell function.
7
Q
Tract
A
A bundle of nerve fibers having a common origin, termination, and function
8
Q
Pathway
A
A line of communication over interconnecting neurons extending from one organ or center to another
9
Q
Decussation
A
The action of intersecting or crossing (as of nerve fibres)
10
Q
Peduncle
A
A band of white matter joining different parts of the brain
