Arneth index

Ar·neth index 'ä n an age classification of blood granulocytes and esp. neutrophils that is based on the number of lobes of the nucleus with increasing lobulation regarded as indicative of increasing age see SHIFT TO THE LEFT, SHIFT TO THE RIGHT compare SCHILLING INDEX
Arneth Joseph (1873-1955)
German physician. Arneth specialized in hematology and wrote several studies of diseases of the blood. He introduced the Arneth index in 1904 and advocated its use as a valuable aid in determining the reaction of bone marrow to infectious agents.

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a calculation formerly much used in reference to the Arneth count of lobes of neutrophil nuclei; in a normal population the percentages with one or two lobes plus half the percentage with three lobes should total 60 per cent.

Medical dictionary. 2011.

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  • arneth index — ˈärˌnet.ˈ , ed.ˈ noun Usage: capitalized A Etymology: after Joseph Arneth died 1955 German physician : an age classification of blood granulocytes, specifically neutrophils, based on the number of lobes of the nucleus, increasing lobulation being …   Useful english dictionary

  • Arneth count — The Arneth count or Arneth index describes the nucleus of a type of white blood cell called a neutrophil in an attempt to detect disease. Neutrophils typically have two or three lobes. In general, older neutrophils have more lobes than younger… …   Wikipedia

  • index — 1. [NA] SYN: i. finger. 2. A guide, standard, indicator, symbol, or number denoting the relation in respect to size, capacity, or function, of one part or thing to another. SEE ALSO: quotient, r …   Medical dictionary

  • Arneth classification count formula index — Ar·neth classification, count, formula, index (ahr netґ) [Joseph Arneth, German physician, 1873–1955] see under classification, count, formula, and index …   Medical dictionary

  • Arneth — Joseph, German physician, 1873–1956. See A. classification, A. count, A. formula, A. index, A. stages, under stage …   Medical dictionary

  • Schilling index — Schil·ling index shil iŋ n an age classification of blood neutrophils which is based on increasing irregularity or lobulation of the nucleus and in which the classes are myelocytes, metamyelocytes, band forms, and mature neutrophils having nuclei …   Medical dictionary

  • schilling index — “ noun Usage: usually capitalized S Etymology: after Victor Theodor Adolf Georg Schilling b1883 German physician : an age classification of blood neutrophils into myelocytes, metamyelocytes, stab cells, and mature neutrophils on the basis of… …   Useful english dictionary

  • Mentzer index — The Mentzer index is used to differentiate iron deficiency anemia from beta thalassemia.[1] If a CBC indicates microcytic anemia, these are two of the most likely causes, making it necessary to distinguish between them. It is calculated from the… …   Wikipedia

  • count — 1. A reckoning, enumeration, or accounting. 2. To enumerate or score. Addis c. a quantitative enumeration of the red blood c., white blood c., and casts in a 12 hr urine specimen; used to follow the progress of known renal disease …   Medical dictionary

  • shift to the left — n alteration of an Arneth index by an increase of immature neutrophils in the circulating blood * * * an increase in the percentage of neutrophils that have only one or two lobes, seen in some bacterial infections. See Arneth count, under count …   Medical dictionary

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