sequestration
[se″kwes-tra´shun] 1. abnormal separation of a part from a whole, as a portion of a bone by a pathologic 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.
pulmonary sequestration loss of connection of lung tissue, and sometimes bronchi, with the bronchial tree and pulmonary veins, the tissue receiving its arterial supply from the systemic circulation. It may be completely separated anatomically and physiologically from normally connected lung
(extralobar) or contiguous to and partly surrounded by normal lung
(intralobar). Called also
accessory lung.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
se·ques·tra·tion
(sē'kwes-trā'shŭn), 1. Formation of a sequestrum.
2. Loss of blood or of its fluid content into spaces within the body so that it is withdrawn from the circulating volume, resulting in hemodynamic impairment, hypovolemia, hypotension, and reduced venous return to the heart.
[L. sequestratio, fr. sequestro, pp. -atus, to lay aside]
Farlex Partner Medical Dictionary © Farlex 2012
sequestration
Medtalk 1. The development of a sequestrum. See Bronchopulmonary sequestration, Carbon sequestration, Pseudosequestration, Pulmonary sequestration.
2. The removal or isolation of a chemical, molecule, cell, or tissue from general access–eg, binding of certain proteins–eg, profilin, thymosin β4, Gc protein to G-actin to prevent polymerization. See Carbon sequestration.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
se·ques·tra·tion
(sē'kwes-trā'shŭn) 1. Formation of a sequestrum.
2. Loss of blood or of its fluid content into spaces within the body so that it is withdrawn from the circulating volume, resulting in hemodynamic impairment, hypovolemia, hypotension, and reduced venous return to the heart.
[L. sequestratio, fr. sequestro, pp. -atus, to lay aside]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
sequestration
Separation and physiological isolation of a portion of dead tissue from surrounding healthy tissue. The commonest example of sequestration is the formation of a bony SEQUESTRUM as a complication of OSTEOMYELITIS.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
se·ques·tra·tion
(sē'kwes-trā'shŭn) 1. Formation of a sequestrum.
2. Loss of blood or of its fluid content into body spaces so that it is withdrawn from the circulating volume, resulting in hemodynamic impairment, hypovolemia, hypotension, and reduced venous return to heart.
[L. sequestratio, fr. sequestro, pp. -atus, to lay aside]
Medical Dictionary for the Dental Professions © Farlex 2012