Pleural cavity

Definition

The pleural cavity is a thin fluid-filled space between the two layers of the pleura, which are membranes surrounding each lung. This cavity provides lubrication and space for the lungs to expand and contract during breathing.

Related terms

Pleura:

A double-layered membrane that envelops each lung and lines the thoracic cavity, providing essential separation and support for lung tissues.

Respiration:

The biochemical process involving inhalation and exhalation, where oxygen is taken in, and carbon dioxide is expelled from the body.

Thoracic Cavity:

The part of the body enclosed by the ribs, sternum, and vertebral column, housing vital organs such as the heart and lungs