The outside layer of cells that covers all the free, open surfaces of the body including the skin, and mucous membranes that communicate with the outside of the body.
covering cells of internal and external surfaces of the body, non-vascular vessels and small.
Cells that cover the surface of the body and line its cavities.
A layer of cells that covers and lines body surfaces (skin) and organs. Epithelial cells can be squamous, cuboidal, or columnar, terms that describe their shape.
(noun) cells which border tissues exposed to the environment such as the intestinal tract
Cells that cover an external body surface or line an internal cavity.
a thin layer of cells forming a tissue that covers the internal and external surfaces of the body.
Relatively thin and simple cells that form most of the body membranes and also the epidermis
cells that make up the tissue layer that covers the surface of the body and lines body cavities
Cells that line the inner and outer surfaces of the body.
A cell type that lines the inner portion of any structure of the body.
Cells that function as tissue coverings and that are connected to one another by a cementing substance.
Membranous tissue forming the covering of most internal surfaces and organs and the outer surface of the body.
cells lining the external part of internal cavities of the organism, e.g. the digestive tract.
Cells in the udder comprising an alveolus that synthesize and secrete milk.