Classification of epithelium: Depending on the number of cell layers present, the covering epithelia are divided into the following two main types: Simple (or unilaminar) epithelia which consist of only a single layer of cells. Stratified (or multilaminar) epithelia which consist of two or more layers of epithelial cells. SIMPLE(UNILAMINAR) EPITHELIA A simple … [Read more...]
Epithelium and its two major groups
EPITHELIUM The epithelium is defined as a collection of closely apposed cells with a very small amount of extracellular matrix. All epithelia are supported by a variable amount of loose connective tissue which contains many blood vessels. Between the epithelium and the associated connective tissue, there is always present a sheet of amorphous material which is called basal … [Read more...]