| 单词 | christmas disease |
| 释义 | > as lemmasChristmas disease Christmas disease n. a type of haemophilia (inherited blood-clotting disorder) resulting from a deficiency or defect of clotting factor IX. Now more usually called haemophilia B.Christmas disease, like the better-known form of haemophilia (haemophilia A, or factor VIII deficiency), is inherited as an X-linked recessive trait and thus affects mainly males.extracted from Christmasn.2< as lemmas |
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