Definition of reagin in English:

reagin

noun rɪˈeɪdʒɪnrēˈājən

mass nounMedicine

1The antibody which is involved in allergic reactions, causing the release of histamine when it combines with antigen in tissue, and capable of producing sensitivity to the antigen when introduced into the skin of a normal individual.
〔免疫〕反应素；反应抗体
Example sentencesExamples
- An 18-year-old woman presented for her first prenatal visit at 31 weeks' gestation, at which time she was reactive for rapid plasmin reagin and had a 2 + fluorescent treponemal antibody.
- The results of a VDRL test and rapid plasma reagin were negative.
- The mother was O Rh-positive, antibody screen negative, rapid plasma reagin nonreactive, hepatitis B surface antigen negative.
- An infant born to a seroreactive mother should be evaluated with a quantitative non-treponemal serologic test (e.g., rapid plasma reagin or VDRL).
- Blood work, including rapid plasma reagin for syphilis and heavy metal screening, had been reported as normal.
1. 1.1 The substance in the blood which is responsible for a positive response to the Wassermann test.
  梅毒反应素
  as modifier a reagin test
  count noun reagins are measured by either complement fixation or flocculation tests
  Example sentencesExamples
  This reaction is the basis of traditional nontreponemal tests such as the VDRL test and rapid plasma reagin test.
  These tests used either complement fixation or flocculation techniques (Venereal Disease Research Laboratory [VDRL], rapid plasma reagin test, and automated reagin test).
  The rapid plasmin reagin test was negative.
  Even without a confirmatory rapid plasma reagin test or darkfield examination of the gummatous discharge, the diagnosis of secondary syphilis was obvious.
  The patient's angiotensin-converting enzyme level was slightly elevated, and the rapid plasma reagin test was nonreactive.

Derivatives

reaginic

adjective

Medicine

For example, foods induce respiratory symptoms by both reaginic and nonreaginic mechanisms; moreover, food allergies commonly coexist with inhalant allergies.
Example sentencesExamples
- Mice produced reaginic antibody within 1 wk of painting with the contact sensitizing agent picryl chloride.
- Reaginic reactions are responsible for such allergic phenomena as urticaria, seasonal rhinitis, and asthma.

Origin

Early 20th century: coined in German from reagieren 'react'.

Definition of reagin in US English:

reagin

nounrēˈājən

Medicine

1The antibody which is involved in allergic reactions, causing the release of histamine when it combines with antigen in tissue, and capable of producing sensitivity to the antigen when introduced into the skin of a normal individual.
〔免疫〕反应素；反应抗体
Example sentencesExamples
- An infant born to a seroreactive mother should be evaluated with a quantitative non-treponemal serologic test (e.g., rapid plasma reagin or VDRL).
- The results of a VDRL test and rapid plasma reagin were negative.
- The mother was O Rh-positive, antibody screen negative, rapid plasma reagin nonreactive, hepatitis B surface antigen negative.
- An 18-year-old woman presented for her first prenatal visit at 31 weeks' gestation, at which time she was reactive for rapid plasmin reagin and had a 2 + fluorescent treponemal antibody.
- Blood work, including rapid plasma reagin for syphilis and heavy metal screening, had been reported as normal.
1. 1.1 The substance in the blood which is responsible for a positive response to the Wassermann test.
  梅毒反应素
  as modifier a reagin test
  count noun reagins are measured by either complement fixation or flocculation tests
  Example sentencesExamples
  The patient's angiotensin-converting enzyme level was slightly elevated, and the rapid plasma reagin test was nonreactive.
  This reaction is the basis of traditional nontreponemal tests such as the VDRL test and rapid plasma reagin test.
  These tests used either complement fixation or flocculation techniques (Venereal Disease Research Laboratory [VDRL], rapid plasma reagin test, and automated reagin test).
  The rapid plasmin reagin test was negative.
  Even without a confirmatory rapid plasma reagin test or darkfield examination of the gummatous discharge, the diagnosis of secondary syphilis was obvious.

Origin

Early 20th century: coined in German from reagieren ‘react’.

单词	reagin
释义	Definition of reagin in English: reagin noun rɪˈeɪdʒɪnrēˈājən mass nounMedicine 1The antibody which is involved in allergic reactions, causing the release of histamine when it combines with antigen in tissue, and capable of producing sensitivity to the antigen when introduced into the skin of a normal individual. 〔免疫〕反应素；反应抗体 Example sentencesExamples An 18-year-old woman presented for her first prenatal visit at 31 weeks' gestation, at which time she was reactive for rapid plasmin reagin and had a 2 + fluorescent treponemal antibody. The results of a VDRL test and rapid plasma reagin were negative. The mother was O Rh-positive, antibody screen negative, rapid plasma reagin nonreactive, hepatitis B surface antigen negative. An infant born to a seroreactive mother should be evaluated with a quantitative non-treponemal serologic test (e.g., rapid plasma reagin or VDRL). Blood work, including rapid plasma reagin for syphilis and heavy metal screening, had been reported as normal. 1.1 The substance in the blood which is responsible for a positive response to the Wassermann test. 梅毒反应素 as modifier a reagin test count noun reagins are measured by either complement fixation or flocculation tests Example sentencesExamples This reaction is the basis of traditional nontreponemal tests such as the VDRL test and rapid plasma reagin test. These tests used either complement fixation or flocculation techniques (Venereal Disease Research Laboratory [VDRL], rapid plasma reagin test, and automated reagin test). The rapid plasmin reagin test was negative. Even without a confirmatory rapid plasma reagin test or darkfield examination of the gummatous discharge, the diagnosis of secondary syphilis was obvious. The patient's angiotensin-converting enzyme level was slightly elevated, and the rapid plasma reagin test was nonreactive. Derivatives reaginic adjective Medicine For example, foods induce respiratory symptoms by both reaginic and nonreaginic mechanisms; moreover, food allergies commonly coexist with inhalant allergies. Example sentencesExamples Mice produced reaginic antibody within 1 wk of painting with the contact sensitizing agent picryl chloride. Reaginic reactions are responsible for such allergic phenomena as urticaria, seasonal rhinitis, and asthma. Origin Early 20th century: coined in German from reagieren 'react'. Definition of reagin in US English: reagin nounrēˈājən Medicine 1The antibody which is involved in allergic reactions, causing the release of histamine when it combines with antigen in tissue, and capable of producing sensitivity to the antigen when introduced into the skin of a normal individual. 〔免疫〕反应素；反应抗体 Example sentencesExamples An infant born to a seroreactive mother should be evaluated with a quantitative non-treponemal serologic test (e.g., rapid plasma reagin or VDRL). The results of a VDRL test and rapid plasma reagin were negative. The mother was O Rh-positive, antibody screen negative, rapid plasma reagin nonreactive, hepatitis B surface antigen negative. An 18-year-old woman presented for her first prenatal visit at 31 weeks' gestation, at which time she was reactive for rapid plasmin reagin and had a 2 + fluorescent treponemal antibody. Blood work, including rapid plasma reagin for syphilis and heavy metal screening, had been reported as normal. 1.1 The substance in the blood which is responsible for a positive response to the Wassermann test. 梅毒反应素 as modifier a reagin test count noun reagins are measured by either complement fixation or flocculation tests Example sentencesExamples The patient's angiotensin-converting enzyme level was slightly elevated, and the rapid plasma reagin test was nonreactive. This reaction is the basis of traditional nontreponemal tests such as the VDRL test and rapid plasma reagin test. These tests used either complement fixation or flocculation techniques (Venereal Disease Research Laboratory [VDRL], rapid plasma reagin test, and automated reagin test). The rapid plasmin reagin test was negative. Even without a confirmatory rapid plasma reagin test or darkfield examination of the gummatous discharge, the diagnosis of secondary syphilis was obvious. Origin Early 20th century: coined in German from reagieren ‘react’.
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