in the blood


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in the blood

 and in one's blood
Fig. built into one's personality or character. John's a great runner. It's in his blood. The whole family is very athletic. It's in the blood.
See also: blood
References in periodicals archive ?
With Bernard Soulier disease the platelets in the blood are unable to stem bleeding.
Subsequently, the amount of virus in the blood of two-thirds of the patients had dropped by roughly 90 percent, Miralles reports.
Scientists at INSMED believe that a defect in the use of an "insulin mediator" -- a key molecule involved in the metabolism of sugar in the blood stream -- is responsible for insulin resistance.
When stimulated by insulin, muscle cells normally produce insulin mediator molecules, which direct the metabolism of glucose in the blood stream.