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Plural of pleura1.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
pleura(ploo'ra) plural.pleurae [Gr., side]
A serous membrane that enfolds both lungs and is reflected upon the walls of the thorax and diaphragm. The pleurae are moistened with a serous secretion that reduces friction during respiratory movements of the lungs. See: pleural effusion; mediastinum; thorax; illustration
costal pleuraParietal pleura.
The part of the pleura covering the upper surface of the diaphragm.
The portion of the parietal pleura that extends to cover the mediastinum.
The serous membrane that lines the chest cavity; it extends from the mediastinal roots of the lungs and covers the sides of the pericardium to the chest wall and backward to the spine. The visceral and parietal pleural layers are separated only by a lubricating secretion. These layers may become adherent or separated by air or by blood, pus, or other fluids, when the lungs or chest wall are injured or inflamed.Synonym: costal pleura
The portion of the pleura covering the pericardium.
pleura pulmonalisVisceral pleura.
The pleura that covers the lungs and enters into and lines the interlobar fissures. It is loose at the base and at the sternal and vertebral borders to allow for lung expansion.
Medical Dictionary, © 2009 Farlex and Partners
Pleura or pleurae
A delicate membrane that encloses the lungs. The pleura is divided into two areas separated by fluid-the visceral pleura, which covers the lungs, and the parietal pleura, which lines the chest wall and covers the diaphragm.
Mentioned in: Pleural Effusion
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.