Main definitions of pleura in English

: pleura1pleura2

pleura1

noun

  • 1Each of a pair of serous membranes lining the thorax and enveloping the lungs in humans and other mammals.

    • ‘Explanations for the cytokeratin immunoreactivity include locally entrapped mediastinal pleura or pulmonary epithelium.’
    • ‘There were several small distant metastases in the upper lobe of the same lung and in the opposite pleura or subpleural lung parenchyma.’
    • ‘Manifestations of disease of the lung and of the pleura have become less evident and less characteristic on plain films as exposures have decreased.’
    • ‘It may cause interstitial lung disease by diffusely involving the pleura, interlobular septa, and pulmonary bronchovascular bundles.’
    • ‘The tumor frequently extended to the adjacent lung parenchyma, bronchi, visceral pleura, and mediastinal soft tissues.’
    • ‘Metastases were present in the vertebral bodies, spleen, peritoneum, pleura, adrenal glands, visceral and parietal pericardium, and multiple lymph nodes.’
    • ‘The mass infiltrated the overlying pleura and adjacent lungs.’
    • ‘Encysted effusion may be confused with a mass lesion of the pleura, mediastinum, chest wall and lungs.’
    • ‘One patient demonstrated multiple recurrences on the chest wall, with eventual direct extension to the pericardium, pleura, and lung.’
    • ‘The rupture involved all layers of the aortic wall, but the mediastinal pleura remained intact.’
    • ‘The mediastinal pleura is then incised over the length of the esophagus, avoiding injury to any neural or major vascular structures.’
  • 2Zoology
    A lateral part in an animal body or structure.

    Compare with pleuron
    • ‘The thoracic pleura of Archizelmiridae, visible in some of the amber fossils, provide additional clues about relationships.’
    • ‘Longacre emphasized unequally divided pleurae on the pygidium and the presence of an occipital spine as characters separating Calvinella from other dikelocephalids.’
    • ‘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.’
    • ‘In some cases, the carapace margin, the opisthosomal pleurae, and distal regions of the tail spine are absent.’
    • ‘At the posterior of the body, the pleurae were fused into a flattened tail-like segment, or pygidium.’

Origin

Late Middle English: via medieval Latin from Greek, literally side of the body, rib.

Pronunciation:

pleura

/ˈplo͝orə/

Main definitions of pleura in English

: pleura1pleura2

pleura2

Pronunciation:

pleura

/ˈplo͝orə/