pleural fluid


pleur·al flu·id

the thin film of fluid between the visceral and parietal pleurae. May significantly increase in disease states, when it is termed pleural effusion.

pleur·al fluid

(plūr'ăl flū'id) The thin film of fluid between the visceral and parietal pleurae.

pleural fluid

Fluid secreted by serous membranes in the pleurae that reduces friction during respiratory movements of the lungs. When excessive pleural fluid is secreted and not absorbed, a pleural effusion accumulates. See also: fluid