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单词 Sharpey's fibre
释义 Sharpey's fibre Anat.|ˈʃɑːpɪ|
[Named after William Sharpey (1802–80), Scottish anatomist, who described such fibres in 1856 (J. Quain Anat. (ed. 6) I. p. cxx).]
A fibre of connective tissue passing from the periosteum through the lamellæ of a bone or tooth.
[1878Q. Jrnl. Microsc. Sci. XVIII. 132 The lamellæ when stripped off from a bone that has been softened in acid but subsequently freed from all traces of the acid by long steeping in water or spirit exhibit under the microscope the appearance of intercrossing fibres (the reticulating fibres of Sharpey).]1890G. M. Gould New Med. Dict. 400/2 Sharpey's fibers, calcified fibers of white, fibrous tissue bolting together the peripheric lamellæ of bone.1896A. Clarkson Text-bk. Histol. vi. 151 In addition to fibres forming the lamellæ themselves, there are others—perforating, or Sharpey's fibres—to be found in bone.1946Nature 24 Aug. 269/1 Superficially placed osteocytes with their processes, and Sharpey's fibres, stand out black against the colourless matrix.1962Blake & Trott Periodontology ii. 12 The parts of the fibres which lie embedded within cementum or bone are known as Sharpey's fibres.
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