Secret test - Urashiken

Japanese: ウラ試験 - うらしけん
Secret test - Urashiken

...By taking advantage of this fact, it is possible to determine a person's type by examining what antibodies are contained in the plasma. In actual ABO blood type testing, the presence or absence of antigens is examined in red blood cells (commonly known as the front test), and then the presence or absence of antibodies is examined in the plasma (back test). The results of both tests are compared to determine the final type. The test uses the hemagglutination reaction.

*Some of the terminology used in reference to "double-sided testing" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この事実を利用して血漿中にどんな抗体が含まれているかをしらべれば,その人の型がわかるということになる。そこで実際のABO血液型の検査では,赤血球について抗原の存否をしらべ(通称オモテ試験),さらに血漿について抗体の検査(ウラ試験)を行い,両者の結果を照合したうえで何型かの最終判定を下すことになっている。検査には赤血球凝集反応が利用される。…

※「ウラ試験」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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