protective epithelium

protective epithelium
保护上皮

English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.

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  • epithelium — epithelial, adj. /ep euh thee lee euhm/, n., pl. epitheliums, epithelia / lee euh/. Biol. any animal tissue that covers a surface, or lines a cavity or the like, and that, in addition, performs any of various secretory, transporting, or… …   Universalium

  • epithelium — /ɛpiˈθiliəm/ (say epee theeleeuhm), /ɛpə / (say epuh ) noun (plural epitheliums or epithelia /ɛpiˈθiliə/ (say epee theeleeuh), /ɛpə / (say epuh )) Biology any tissue which covers a surface, or lines a cavity or the like, and which performs… …  

  • stratified epithelium — An epithelium composed of multiple layers of cells, only the basal layer being in contact with the basal lamina (see basement membrane). The basal layer is of stem cells that divide to produce the cells of the upper layers; in skin, these become… …   Dictionary of molecular biology

  • 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

  • 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

  • chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by …   Universalium

  • digestive system, human — Introduction  the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …   Universalium

  • animal development — Introduction  the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …   Universalium

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

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  • Cyst — A closed sac or capsule, usually filled with fluid or semisolid material. * * * 1. A bladder. 2. An abnormal sac containing gas, fluid, or a semisolid material, with a membranous lining. SEE ALSO: pseudocyst. [G. kystis, bladder] adventitious c.… …   Medical dictionary

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