| squamous pearl | A focus of central keratinization within concentric layers of abnormal squamous cells; seen in squamous cell carcinoma. Synonym: epithelial nest, epithelial pearl, squamous pearl. (05 Mar 2000) |
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| squamous suture | A scalelike suture, one whose opposing margins are scalelike and overlapping. Synonym: sutura squamosa. (05 Mar 2000) |
| stratified squamous epithelium | An epithelium consisting of several layers of keratin containing cells in which the surface cells are flattened and scale-like and the deeper cells are polyhedral in form. Keratin filaments become progressively more abundant toward the surface, which on the dry surfaces of the body may consist of a layer of dead corneocytes. (05 Mar 2000) |
| calcifying epithelial odontogenic tumour | A benign epithelial odontogenic neoplasm derived from the stratum intermedium of the enamel organ; a painless, slowly growing, mixed radiolucent-radiopaque lesion characterised histologically by cords of polyhedral epithelial cells, deposits of amyloid, and spherical calcifications. Synonym: Pindborg tumour. (05 Mar 2000) |
| Malassez' epithelial rests | Epithelial remains of Hertwig's root sheath in the periodontal ligament. (05 Mar 2000) |
| microcystic epithelial dystrophy | Bilateral, symmetrical intraepithelial cysts in the central area of the cornea of healthy women, without hereditary predisposition. (05 Mar 2000) |
| polymorphic epithelial mucin | <protein> See episialin. (18 Nov 1997) |
| neoplasms, glandular and epithelial | Neoplasms composed of glandular tissue, an aggregation of epithelial cells that elaborate secretions, and of any type of epithelium itself. The concept does not refer to neoplasms located in the various glands or in epithelial tissue. (12 Dec 1998) |
| oral epithelial nevus | An autosomal dominant condition of the oral cavity characterised by soft, white or opalescent, thickened and corrugated folds of mucous membrane; other mucosal sites are occasionally involved simultaneously. Synonym: familial white folded dysplasia, oral epithelial nevus. (05 Mar 2000) |
| epithelial | Pertaining to or composed of epithelium. (16 Dec 1997) |
| epithelial attachment | A collar of epthelial cells attached to the tooth surface and subepithelial connective tissue found at the base of the gingival crevice. Synonym: epithelial attachment. (05 Mar 2000) |
| epithelial body | <anatomy, endocrinology> Four small endocrine glands lying close or embedded in the posterior surface of the thyroid gland. They secrete the hormone parathormone. (27 Sep 1997) |
| epithelial cancer | Any malignant neoplasm originating from epithelium, i.e., a carcinoma. (05 Mar 2000) |
| epithelial carcinoma | Cancer that begins in the cells that line an organ. (12 Dec 1998) |
| epithelial cast | A cast that contains epithelial cells and their remnants; occurs most frequently in renal tubules and urine as a marker for renal tubular necrosis. (05 Mar 2000) |