horny cell layer
Schlagen Sie auch in anderen Wörterbüchern nach:
Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… … 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
integument — /in teg yeuh meuhnt/, n. 1. a natural covering, as a skin, shell, or rind. 2. any covering, coating, enclosure, etc. [1605 15; < L integumentum a covering. See IN 2, TEGUMENT] Syn. 1. cortex, involucre, involucrum. * * * Covering of the body,… … Universalium
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
sponge — spongeless, adj. spongelike, adj. spongingly, adv. /spunj/, n., v., sponged, sponging. n. 1. any aquatic, chiefly marine animal of the phylum Porifera, having a porous structure and usually a horny, siliceous or calcareous internal skeleton or… … Universalium
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
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
epidermis — epidermal, epidermic, adj. epidermically, adv. /ep i derr mis/, n. 1. Anat. the outer, nonvascular, nonsensitive layer of the skin, covering the true skin or corium. 2. Zool. the outermost living layer of an animal, usually composed of one or… … Universalium
psoriasis — psoriatic /sawr ee at ik, sohr /, adj. /seuh ruy euh sis/, n. Pathol. a common chronic, inflammatory skin disease characterized by scaly patches. Also called psora. [1675 85; < NL < Gk psoríasis, equiv. to psoria , var. s. of psoriân to have the… … Universalium
