EPITHELIUM HISTOLOGY
Epithelium: group of cells having little extra-cellular matrix (ECM), is avascular, blood
supplied by near-by loose connective tissue.
Classification:
1) Simple Epithelium
Type Cell shape & nuclei Location
Alveoli, Capillaries, serous
Simple squamous Flat cells, flattened nucleus
cavities
Cube-shaped cells, central Distal convoluted tubule of
Simple cuboidal
spherical nucleus kidney , thyroid gland follicles
Tall columnar cells, basal oval
Simple columnar GI tract
nuclei
2) Stratified Epithelium
Epithelium: group of cells having little extra-cellular matrix (ECM), is avascular, blood
supplied by near-by loose connective tissue.
Classification:
1) Simple Epithelium
Type Cell shape & nuclei Location
Alveoli, Capillaries, serous
Simple squamous Flat cells, flattened nucleus
cavities
Cube-shaped cells, central Distal convoluted tubule of
Simple cuboidal
spherical nucleus kidney , thyroid gland follicles
Tall columnar cells, basal oval
Simple columnar GI tract
nuclei
2) Stratified Epithelium