Definition of epitheli:
°A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs; internally including the lining of vessels and other small cavities, and externally being the skin.
Definition of epitheli:
°A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs; internally including the lining of vessels and other small cavities, and externally being the skin.