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root+tip

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  • root tip — noun : the terminal portion of a root or root branch usually including the root cap and the meristematic region behind it and often the regions of differentiation, elongation, and root hair formation …   Useful english dictionary

  • Root hairs — Root hair cells, the rhizoids of many vascular plants, are tubular outgrowths of trichoblasts, the hair forming cells on the epidermis of a plant root. That is, root hair cells are lateral extensions of a single cell and only rarely branched.… …   Wikipedia

  • root cap — n. the loose cells at the tip of a growing root, rubbed off by the motion of the root tip through the soil and constantly renewed from within * * * …   Universalium

  • root cap — n. the loose cells at the tip of a growing root, rubbed off by the motion of the root tip through the soil and constantly renewed from within …   English World dictionary

  • Root — This article is about the part of a plant. For other uses, see Root (disambiguation). Primary and secondary roots in a cotton plant In vascular plants, the root is the organ of a plant that typically lies below the surface of the soil. This is… …   Wikipedia

  • Root End Surgery — A Root End Surgery formerly known as apicoectomy (L. apex, apicis : a summit or a tip), is an endodontic surgical procedure whereby a tooth s root tip is removed and a root end cavity is prepared and filled with a biocompatible material. This is… …   Wikipedia

  • Tip growth — is an extreme form of polarised growth of living cells that results in an elongated cylindrical cell morphology with a rounded tip at which the growth activity takes place. Tip growth occurs in algae (e.g., acetabularia acetabulum), fungi… …   Wikipedia

  • root cap — noun thimble shaped mass of cells covering and protecting the growing tip of a root • Hypernyms: ↑plant organ • Part Holonyms: ↑root * * * noun : a protective cap or thimble shaped mass of parenchyma cells usually irregularly arranged that covers …   Useful english dictionary

  • Root cap — The root cap is a section of tissue at the tip of a plant root. Root caps contain statoliths which are involved in gravity perception in plants. If the cap is carefully removed the root will grow randomly. The root cap protects the growing tip in …   Wikipedia

  • root — root1 rootlike, adj. /rooht, root/, n. 1. a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. 2. a similar organ developed from some… …   Universalium

  • Root — /rooht/, n. 1. Elihu /el euh hyooh /, 1845 1937, U.S. lawyer and statesman: Nobel peace prize 1912. 2. John Wellborn /wel beuhrn/, 1851 91, U.S. architect. * * * In botany, the underground anchoring part of a plant. It grows downward in response… …   Universalium

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