Letter Q

Quiescent

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Marked by a state of inactivity, repose, or tranquillity.

For example, a quiescent stem cell is a stem cell that is resting at the time but that might be stimulated later to divide and proliferate.

Quiescent also means causing no trouble or symptoms.

For example, a case of leukemia may be quiescent, causing no problems; the leukemia is in remission and the person has no symptoms of it.

The word 'quiescent' comes from the Latin 'quiescere', to become silent.

Quiescent often suggests a temporary cessation of activity, as in 'a quiescent disease.'

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