释义 |
vermilion border TranslationsEncyclopediaSeeBordervermilion border
border [bor´der] a bounding line, edge, or surface.brush border a specialization of the free surface of a cell, consisting of minute cylindrical processes (microvilli) that greatly increase the surface area.Brush border, characterized by closely packed microvilli. From Dorland's, 2000.vermilion border the exposed red portion of the upper and lower lips.ver·mil·ion bor·derthe junction between the skin aspect of the lip and the vermilion zone. Compare: vermilion zone, vermilion transitional zone. ver·mil·ion bor·der (vĕr-mil'yŏn bōr'dĕr) The red margin of the upper and lower lips, which commences at the exterior edge of the intraoral labial mucosa ("moist line") and extends outward, terminating at the extraoral labial cutaneous junction; a thinly keratinized type of stratified squamous epithelium deeply penetrated by well-vascularized dermal papillae that show through the translucent epidermis to impart the typical red appearance of the lips. Vermilion borderThe line between the lip and the skin.Mentioned in: Maxillofacial Traumaver·mil·ion bor·der (vĕr-mil'yŏn bōr'dĕr) Junction between skin aspect of the lip and vermilion zone. Compare: vermilion zoneThesaurusSeeborder |