| epithelioid | <anatomy> Like epithelium; as, epithelioid cells. Origin: Epithelium. Source: Websters Dictionary (01 Mar 1998) |
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| epithelioid cell | <cell biology> In a general sense, a cell that has an appearance that is similar to that of epithelial cells: used specifically of the very flattened macrophages found in granulomas (e.g. In tubercular lesions). (18 Nov 1997) |
| epithelioid cell nevus | A benign, slightly pigmented or red superficial small skin tumour composed of spindle-shaped, epithelioid, and multinucleated cells that may appear atypical; most common in children, but also appearing in adults. Synonym: benign juvenile melanoma, epithelioid cell nevus, spindle cell nevus. (05 Mar 2000) |
| epithelioid cells | Characteristic cells of granulomatous hypersensitivity. They appear as large, flattened cells with increased endoplasmic reticulum. They are believed to be activated macrophages that have differentiated as a result of prolonged antigenic stimulation. Further differentiation or fusion of epithelioid cells is thought to produce multinucleated giant cells (giant cells). (12 Dec 1998) |
| epitheliolytic | Destructive to epithelium. (05 Mar 2000) |
| epithelioma | <oncology, tumour> A neoplasm of epithelial origin, ranging from benign (adenoma and papilloma) to malignant (carcinoma). (14 May 1997) |
| epithelioma adenoides cysticum | <tumour> Multiple small benign nodules, occurring mostly on the skin of the face, derived from basal cells of hair follicles enclosing small keratin cysts; frequent autosomal dominant inheritance. Synonym: acanthoma adenoides cysticum, Brooke's tumour, epithelioma adenoides cysticum, hereditary multiple trichoepithelioma. Origin: tricho-+ epithelioma (05 Mar 2000) |
| epithelioma contagiosum | A poxvirus infection of poultry and other birds characterised by the formation of wart-like nodules on the skin and diphtheritic necrotic masses (cankers) in the upper digestive and respiratory tracts. (12 Dec 1998) |
| epithelioma cuniculatum | Verrucous carcinoma occurring uncommonly on the sole of the foot, forming a slowly growing warty mass that may invade deeply but which rarely metastasizes. (05 Mar 2000) |
| epitheliomatous | Pertaining to epithelioma. (05 Mar 2000) |
| epitheliopathy | Disease involving epithelium. Origin: epithelium + G. Pathos, suffering (05 Mar 2000) |
| epitheliosis | Proliferation of epithelial cells, as seen in ducts of the breast in fibrocystic disease. (05 Mar 2000) |
| epitheliotropic | Having an affinity for epithelium. (05 Mar 2000) |
| epithelite | An obsolete term for a skin lesion resulting from excessive irradiation. Origin: epithelium + -ite (05 Mar 2000) |
| epithelium | <pathology> The covering of internal and external surfaces of the body, including the lining of vessels and other small cavities. It consists of cells joined by small amounts of cementing substances. Epithelium is classified into types on the basis of the number of layers deep and the shape of the superficial cells. Origin: Gr. Thel = nipple (18 Nov 1997) |
| epithelialization |
(ep
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| epitheliitis |
(ep
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| epitheliogenic |
(ep
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| epithelioglandular |
(ep
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| epitheliolysin |
(ep
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