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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.


(ploo'ra) plural.pleurae [Gr., side]
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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 pleura

Parietal pleura.

pleura diaphragmatica

The part of the pleura covering the upper surface of the diaphragm.

mediastinal pleura

The portion of the parietal pleura that extends to cover the mediastinum.

parietal pleura

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

pleura pericardiaca

The portion of the pleura covering the pericardium.

pleura pulmonalis

Visceral pleura.

visceral 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.
References in periodicals archive ?
The visceral pleura appeared broader and more hyperechoic than normal in one sheep due to acoustic enhancement by the pleural exudate (Figure 5) with fibrin extending to 3 cm present on the parietal and visceral pleurae. The visceral pleura could not be imaged in one sheep because the 7 cm wide anechoic area containing a hyperechoic fibrinous matrix extended beyond the depth range of the linear scanner (Figure 6).
Respiratory mechanics in the open chest: effects of parietal pleurae. Respir Physiol 1996; 104:63-70.
Some studies have demonstrated that IMA with open pleurae significantly increases the postoperative atelectasis incidence10,15, and other respiratory complications in comparison with harvesting of only one IMA and intact pleura12,16.
Although pleurae and lungs are closely linked and jointly involved in many pathological conditions, they represent two separate organs of different embryological origin (English & Leslie 2006).
The negative pressure or vacuum within the pleural space increases as the visceral and parietal pleurae are pulled in opposite directions.