noun (plural pleuraeˈplo͝orē)
1Each of a pair of serous membranes lining the thorax and enveloping the lungs in humans and other mammals.
- One patient demonstrated multiple recurrences on the chest wall, with eventual direct extension to the pericardium, pleura, and lung.
- The tumor frequently extended to the adjacent lung parenchyma, bronchi, visceral pleura, and mediastinal soft tissues.
- There were several small distant metastases in the upper lobe of the same lung and in the opposite pleura or subpleural lung parenchyma.
2 Zoology A lateral part in an animal body or structure. Compare with pleuron.
- It possesses several features that place it in the Lophogastrida, such as the presence of well-developed abdominal pleurae, pleopods and pereiopods, a broadly structured telson and a lack of uropodal statocysts.
- At the posterior of the body, the pleurae were fused into a flattened tail-like segment, or pygidium.
- Longacre emphasized unequally divided pleurae on the pygidium and the presence of an occipital spine as characters separating Calvinella from other dikelocephalids.
- Example sentences
- The abscess may track down to the mediastinum to enter into the trachea, oesophagus or the pleural cavity.
- A thoracoscopic lung biopsy and pleural abrasion were performed at an outside hospital.
- The pleural and pericardial effusions were fully aspirated.
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