[Structure of the dermo-epidemic junction]. 1988

L Squiquera, and M A Robledo, and C R Martins, and L A Díaz
Department of Dermatology, Johns Hopkins University, Baltimore, Maryland.

The basement membranes are extracellular proteic matrixes involved mainly in cell-substrate interactions. The dermo-epidermal junction (DEJ) is defined as the region formed by the dermal pole of the basal cell layer, the intercellular spaces, the lamina densa or basal lamina and the acellular fibrous components of the papillary dermis. The functions of the DEJ are to bind the epithelia to the connective tissue, and to preserve the viability of the epidermis by means of connecting it to the dermis. which is in charge of providing the necessary nutrients for its normal proliferation. The purpose of the present communication is to provide a concise review of the recent knowledges about the ultrastructure of the DEJ, with special emphasis on its antigenic components.

UI MeSH Term Description Entries
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D010391 Pemphigoid, Bullous A chronic and relatively benign subepidermal blistering disease usually of the elderly and without histopathologic acantholysis. Pemphigoid,Bullous Pemphigoid,Pemphigoids
D004820 Epidermolysis Bullosa Group of genetically determined disorders characterized by the blistering of skin and mucosae. There are four major forms: acquired, simple, junctional, and dystrophic. Each of the latter three has several varieties. Acantholysis Bullosa
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000941 Antigens Substances that are recognized by the immune system and induce an immune reaction. Antigen
D001323 Autoantibodies Antibodies that react with self-antigens (AUTOANTIGENS) of the organism that produced them. Autoantibody
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
D012872 Skin Diseases, Vesiculobullous Skin diseases characterized by local or general distributions of blisters. They are classified according to the site and mode of blister formation. Lesions can appear spontaneously or be precipitated by infection, trauma, or sunlight. Etiologies include immunologic and genetic factors. (From Scientific American Medicine, 1990) Bullous Skin Diseases,Pustular Dermatosis, Subcorneal,Skin Diseases, Bullous,Skin Diseases, Vesicular,Sneddon-Wilkinson Disease,Subcorneal Pustular Dermatosis,Vesicular Skin Diseases,Vesiculobullous Skin Diseases,Bullous Dermatoses,Vesiculobullous Dermatoses,Bullous Skin Disease,Dermatoses, Bullous,Dermatoses, Subcorneal Pustular,Dermatoses, Vesiculobullous,Dermatosis, Subcorneal Pustular,Pustular Dermatoses, Subcorneal,Skin Disease, Bullous,Skin Disease, Vesicular,Skin Disease, Vesiculobullous,Sneddon Wilkinson Disease,Subcorneal Pustular Dermatoses,Vesicular Skin Disease,Vesiculobullous Skin Disease

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