A | B |
What are the two functions of neuroglia | protects and insulates neurons, produces myelin sheath and regulates neuronal enviroment |
What are the four main types of glial cells | astrocytes, oligodenroglia, microglia, ependymal |
Two types of astrocytes | protoplasmic and fibrous |
Oligodendroglia is | the glial cell that forms myelin |
What is the function of astrocytes | To provide support, nourishment, and metabolic exchange |
Microglia is | the glial cell that is a fixed phagocyte |
What is the glial cell that is the most numerous and is located in the gray and white matter | Oligodendroglia |
Ependymal is | the glial cell that is simple columnar epithelium |
cresyl echt violet stains astrocytes what | pale blue |
cresyl echt ciolet stains oligodendroglia what | very dark blue |
What does the trichrome stain demo? | astrocytes, nuclei, nerve cells |
Cajals method stains? | astrocytes deep purple |
Holzer demonsrates? | Glial Fibers blue |
What methods demonstrates myelin? | Weil, Pal Weigert, Marchi, LFB |
Marchi demonstrates? | degenerating myelin - black |
LFB stains? | Myelin - blue/green, cells - pink/violet |
LFB can be combined with what other staining methods | PAS, PTAH, Oil red O, Holmes |
Unlike Alcian blue, LFB is? | Alcohol soluble |
What is Myelin composed of | Protein, cholesterol, phospholipids, cerebrosides |
What does the Marchi method use to stain degenerating myelin | osmium textroxide |