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. By contrast the endothelium is the layer of cells lining the closed internal spaces of the body such as the blood vessels and lymphatic vessels (that convey the lymph, a milky fluid).

A thin layer of tissue that covers organs, glands, and other structures within the body.

Sheet of one or more layers of cells covering the internal and external surfaces of the body and hollow organs. [2]

A covering of cells that turns into the outermost layer of skin and covers the body

1748, Modern Latin (Frederick Ruysch), from Greek epi "upon" (see epi-) + thele "teat, nipple" (see fecund). Related: Epithelial.

A thin layer of tissue that covers organs, glands, and other structures within the body.

The covering of the internal and external organs of the body. Also the lining of blood vessels, body cavities, glands, and organs.

Layer of cells which lines a body cavity; cells may be ciliated or unciliated, and may be squamous (flat, scale-shaped), cuboidal (cube-shaped), or columnar (column-shaped). Your stomach and cheeks ar [..]

Layers of cells that cover body surfaces (e.g. skin) or line body cavities (e.g. lining of the intestine). Also refers to the cells that form glands.

the layer of cells lining a body cavity to protect it (e.g., the stomach). Both plants and animals have it.

The layer of cells covering the outer surface of the body and lining body cavities.

covering of internal and external body surfaces (pop)

A thin layer of tissue that covers organs, glands, and other structures within the body.

A basic type of tissue. It comprises the external surface of the skin, the internal surfaces of the digestive, respiratory and urogenital systems and others.

A tissue lining a body surface, e.g. the lungs.

One of the major types of animal tissue, it is characterised by layers of closely packed cells covering internal and external surfaces of the body for protection. Also involved in secretion, regulatio [..]

Tissue composed of one or more cell layers which form the covering of internal and external surfaces of the body and its organs. Epithelial layers are separated from the underlying connective tissue b [..]

(n) membranous tissue covering internal organs and other internal surfaces of the body

The outer surface layer of the cornea, like the epidermis or outer layer of the skin.

A layer of cells which lines organs and structures in the body, protecting or enclosing them.

Membranous tissue composed of one or more layers of cells separated by very little intercellular substance and forming the covering of most internal and external surfaces of the body and its organs.

Definition: (eh-puh-THEE-lee-um) Adj: epithelial. (eh-puh-THEE-lee-ul) A thin layer of tissue that covers organs, glands, and other structures within the body.

The epithelium is any group of cells composing the lining (surface) of an organ. It includes the outer cell layer lining of internal organs and orifices (e.g. mucosa of the bowel) and well as the oute [..]

Coherent sheet comprising one or more layers of cells that covers an external body surface or lines an internal cavity. (Figure 6-4)

Cells that line body surfaces and cavities. These are the cells that produce secretions, such as PSA in the prostate and are the cells from which carcinomas are derived.

layer of cells that lines a body cavity or covers an external surface of the body.

One or more layers of Epithelial Cells, supported by the basal lamina, which covers the inner or outer surfaces of the body.

Stratified squamous Epithelium that covers the outer surface of the Cornea. It is smooth and contains many free Nerve Endings.

The single layer of pigment-containing Epithelial Cells in the Retina, situated closely to the tips (outer segments) of the Retinal Photoreceptor Cells. These Epithelial Cells perform essential functi [..]

The Epithelium lining the Seminiferous Tubules composed of primary male Germ Cells (Spermatogonia) and supporting Sertoli Cells. As Spermatogenesis proceeds, the developing Germ Cells migrate toward t [..]

The epithelial lining of the URINARY TRACT.

A protective tissue consisting of one or more layers of cells that line the internal surface of organs and glands and cover the outer surface of the body. In addition to enclosing and protecting body surfaces, certain types of epithelial cells produce mucus or use tiny hairs called cilia to help remove foreign substances.

One or more layers of EPITHELIAL CELLS, supported by the basal lamina, which covers the inner or outer surfaces of the body.

Stratified squamous epithelium that covers the outer surface of the CORNEA. It is smooth and contains many free nerve endings.

membranous tissue that forms a continuous layer covering internal or external surfaces of multicellular organisms.

A thin layer of tissue that covers organs, glands, and other structures within the body.

The cells which make up the internal and external surfaces of the body, for example, skin, inside of lungs and ovaries.

Lining most internal and external surfaces of an animal’s body, this type of tissue consists of one or more layers of tightly packed cells. It encloses and protects parts of the body including the organs.

Tissue composed of cells that line the cavities and surfaces of structures throughout the body. Functions of epithelial cells include secretion, selective absorption, protection, trans-cellular transp [..]

Tissue or cells that cover external and internal body surfaces, for example skin cells and cells that line the stomach.

Lining most internal and external surfaces of an animal’s body, this type of tissue consists of one or more layers of tightly packed cells. It encloses and protects parts of the body including the org [..]

The covering of internal and external surfaces of the body, including the lining of vessels and other small cavities.

A sheet of cells above the basal lamina that is specialized for protection or transport.

 the layer of cells forming the epidermis of the skin and the surface layer of mucous and serous membranes. (Epithelium cells may be flat (squamous),cube-shaped (cuboidal), or cylindrical (columnar); [..]

Layers of cells covering internal and external surfaces of the body.