haversian system

haversian system
haversian system n, often cap H a haversian canal with the concentrically arranged laminae of bone that surround it called also osteon

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one of the cylindrical units of which compact bone is made. A Haversian canal forms a central tube, around which are alternate layers of bone matrix (lamellae) and lacunae containing bone cells. The lacunae are linked by minute channels (canaliculi).

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a haversian canal and its concentrically arranged lamellae, constituting the basic unit of structure of compact bone; see osteon.

Medical dictionary. 2011.

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  • haversian system — noun Usage: sometimes capitalized H : a haversian canal with the concentrically arranged laminae of bone that surround it * * * (sometimes l.c.) Anat. a Haversian canal and the series of concentric bony plates surrounding it. [1835 45; see… …   Useful english dictionary

  • Haversian system — (sometimes l.c.) Anat. a Haversian canal and the series of concentric bony plates surrounding it. [1835 45; see HAVERSIAN CANAL] * * * …   Universalium

  • haversian system — noun Usage: often capitalized H Date: circa 1846 a haversian canal with the concentrically arranged laminae of bone that surround it …   New Collegiate Dictionary

  • Haversian system — one of the cylindrical units of which compact bone is made. A Haversian canal forms a central tube, around which are alternate layers of bone matrix (lamellae) and lacunae containing bone cells. The lacunae are linked by minute channels… …   The new mediacal dictionary

  • Haversian system — noun The system of osteons in compact bone …   Wiktionary

  • Система Гаверсова, Остеон (Haversian System) — структурная единица компактного слоя кости. Состоит из 5 20 цилиндрических пластинок, вставленных одна в другую. В центре каждого остеона проходит Гаверсов канал (Haversian canal), между костными пластинками (lavellae) в лакунах (lacunae)… …   Медицинские термины

  • haversian — Relating to Clopton Havers and the various osseous structures described by him. * * * ha·ver·sian (ha vurґzhən) named for Clopton Havers, English physician and anatomist, 1650–1702, as haversian lamella and haversian system …   Medical dictionary

  • haversian canal — ha·ver·sian canal hə .vər zhən n, often cap H any of the small canals through which the blood vessels ramify in bone Ha·vers hā vərz, hav ərz Clopton (1655? 1702) British osteologist. In 1691 Havers published the first detailed description of the …   Medical dictionary

  • Haversian canal — one of the small canals (diameter about 50 μm) that ramify throughout compact bone. See also: Haversian system [C. Havers (1650–1702), English anatomist] …   The new mediacal dictionary

  • Haversian canals — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 18 GrayPage = 89 Caption = A light micrograph of a transverse section of human compact bone. X 250 Caption2 = Width = 300 System = Precursor = MeshName = MeshNumber = DorlandsPre = DorlandsSuf …   Wikipedia

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