Chapter 2: Neurons and Glia Flashcards
1
Q
What is a neuron?
A
The fundamental [information processing] unit of the nervous system
2
Q
What are Glial cells? List the four categories of glial cell and their functions.
A
A support cell in the nervous system.
- Astrocytes: Regulate the cellular env. of the brain
- Oligodendendroglia: Provide myelin
- Schwann Cells: Provide myelin
- Microglia: Scavenge debris
3
Q
What is Histology?
A
The microscopic study of the structure of tissues
4
Q
What is the Nissl Stain?
A
Its a class of basic dyes that stain the somata of neurons
5
Q
What is Cytoarchitecture?
A
The arrangement of neuronal cell bodies in various parts of the brain
6
Q
What is the Golgi Stain?
A
A method of staining the brain tissue that shows the neurons and all of their neurites
7
Q
Cell Body
A
The region of the neuron that contains the nucleus
8
Q
Soma
A
The cell body
9
Q
Perikaryon
A
The cell body