sequestration

(sē″kwĕs-trā′shŏn )

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[L. sequestratio, a deposit with a trustee]

1. The formation of sequestrum.
2. The isolation of a patient for treatment or quarantine.
3. Reduction of hemorrhage of the head or trunk by temporarily stopping the return of blood from the extremities by applying tourniquets to the thighs and arms.
4. A fragment of nucleus pulposus of the intervertebral disk separating and freely floating in the spinal canal.

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