spinous layer of epidermis

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• Epidermis — The upper or outer layer of the two main layers of cells that make up the skin. The epidermis is mostly made up of flat, scale like cells called squamous cells. Under the squamous cells are round cells called basal cells. The deepest part of the… …   Medical dictionary

• layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …   Medical dictionary

• skin — skinlike, adj. /skin/, n., v., skinned, skinning, adj. n. 1. the external covering or integument of an animal body, esp. when soft and flexible. 2. such an integument stripped from the body of an animal, esp. a small animal; pelt: a beaver skin.… …   Universalium

• stratum — One of the layers of differentiated tissue, the aggregate of which forms any given structure, such as the retina or the skin. SEE ALSO: lamina, layer. [L. sterno, pp. stratus, to spread out, strew, ntr. of pp. as noun, s., a bed cover, layer] s.… …   Medical dictionary

• stratum spinosum — stratum spi·no·sum spi nō səm n, pl strata spi·no·sa sə the layers of prickle cells over the layer of the stratum basale capable of undergoing mitosis called also prickle cell layer see malpighian layer * * * …   Medical dictionary

• acanthosis — An increase in the thickness of the stratum spinosum of the epidermis. [acantho + G. osis, condition] glycogenic a. elevated gray white plaques of distal esophageal or vaginal mucosa, with …   Medical dictionary

• Oral mucosa tissue engineering — Tissue engineering of oral mucosa combines cells, materials and engineering to produce a three dimensional reconstruction of oral mucosa. It is meant to simulate the real anatomical structure and function of oral mucosa. Tissue engineered oral… …   Wikipedia

• involucrin — Marker protein for keratinocyte differentiation first appearing in the upper spinous layer of the epidermis. Together with trichohyalin forms the scaffold for the cell envelope …   Dictionary of molecular biology

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… …   Wikipedia

• Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary