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undifferentiated callus

См. также в других словарях:

  • Callus (cell biology) — In biological research and biotechnology, a callus of cells is a mass of undifferentiated cells. In plant biology, callus cells are those cells that cover a plant wound. [ [http://www.liv.ac.uk/ sd21/tisscult/what.htm What is Plant Tissue… …   Wikipedia

  • Callus — This article is about calluses and corns of human skin. For other uses, see Callus (disambiguation). Callus Classification and external resources Examples of callus found on the toe ICD …   Wikipedia

  • callus —   (noun). Mass of hardened, thickened or undifferentiated parenchymatous tissue, e.g. as formed at the base of a cutting prior to root formation; undifferentiated cellular mass arising in tissue culture …   Expanded glossary of Cycad terms

  • callus — pl calli A protective tissue, consisting of parenchyma cells, that develops over a cut or damaged plant surface. 2. Mass of undifferentiated, thin walled parenchyma cells induced by hormone treatment. 3. Actively dividing non organized masses of… …   Glossary of Biotechnology

  • callus — (1) Bot. Undifferentiated plant tissue produced at wound edge callus tissue can be grown in vitro and induced to differentiate by varying the ratio of the hormones auxin and cytokinin in the medium. (2) Path. Mass of new bony trabeculae and… …   Dictionary of molecular biology

  • callus — cal·lus || kælÉ™s n. hardened area of skin; bunch of undifferentiated plant cells that are capable to regenerate a complete plant in some species (Biology) v. be covered with callouses, be covered with patches of hardened skin …   English contemporary dictionary

  • Plant embryogenesis — is the process that produces a plant embryo from a fertilised ovule by asymmetric cell division and the differentiation of undifferentiated cells into tissues and organs. It occurs during seed development, when the single celled zygote undergoes… …   Wikipedia

  • 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

  • cambium — cambial, adj. /kam bee euhm/, n., pl. cambiums, cambia / bee euh/. Bot. a layer of delicate meristematic tissue between the inner bark or phloem and the wood or xylem, which produces new phloem on the outside and new xylem on the inside in stems …   Universalium

  • Stem cell — Mouse embryonic st …   Wikipedia

  • Gene gun — PSD 1000/He Particle Delivery System A gene gun or a biolistic particle delivery system, originally designed for plant transformation, is a device for injecting cells with genetic information. The payload is an elemental particle of a heavy metal …   Wikipedia

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