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pleu·ra 1

n. pl. pleu·rae (plo͝or′ē)
A thin serous membrane in mammals that envelops each lung and folds back to make a lining for the chest cavity.

[Middle English, from Medieval Latin, from Greek, side, rib.]

pleu′ral adj.

pleu·ra 2

Plural of pleuron.


n, pl pleurae (ˈplʊəriː)
1. (Anatomy) the thin transparent serous membrane enveloping the lungs and lining the walls of the thoracic cavity
2. (Zoology) the plural of pleuron
[C17: via Medieval Latin from Greek: side, rib]
ˈpleural adj


(ˈplʊər ə)

n., pl. pleu•rae (ˈplʊər i) .
one of a pair of serous membranes each of which covers a lung and folds back to line the corresponding side of the chest wall.
[1655–65; < New Latin < Greek pleurá (singular) side, rib]
pleu′ral, adj.


A membrane that encloses each lung and lines the chest cavity.


The double membrane that covers the lungs and lines the chest wall.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pleura - the thin serous membrane around the lungs and inner walls of the chestpleura - the thin serous membrane around the lungs and inner walls of the chest
parietal pleura - pleura that lines the inner chest walls and covers the diaphragm
visceral pleura - pleura that covers the lungs
pleural cavity - the cavity in the thorax that contains the lungs and heart
serosa, serous membrane - a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid


[ˈplʊərə] n (pleurae (pl)) [ˈplʊəriː]pleura


n (pl -rae) pleura