Sequestration

sequestration /se·ques·tra·tion/ (se?kwes-tra´shun)

1. the formation of a sequestrum.

2. the isolation of a patient.

3. a net increase in the quantity of blood within a limited vascular area, occurring physiologically, with forward flow persisting or not, or produced artificially by the application of tourniquets.

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pulmonary sequestration  loss of connection of lung tissue with the bronchial tree and the pulmonary veins.

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se·ques·tra·tion (skw-strshn, skw-)

n.

1. The formation of a sequestrum.

2. Loss of blood or of its fluid content into spaces within the body, so that the circulating volume diminishes.

3. The inhibition or prevention of normal ion behavior by combination with added materials, especially the prevention of metallic ion precipitation from solution.

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Sequestration

A process in which the spleen withdraws some normal blood cells from circulation and holds them in case the body needs extra blood in an emergency. In hypersplenism, the spleen sequesters too many blood cells.

Mentioned in: Splenectomy

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sequestration

1. abnormal separation of a part from a whole, as a portion of a bone by a pathological process, or a portion of the circulating blood in a specific part occurring naturally or produced by application of a tourniquet.

2. isolation of a patient.

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feline corneal sequestration

see corneal sequestrum.

pulmonary sequestration

loss of connection of lung tissue with the bronchial tree and the pulmonary veins.