👉 Pleurotomaria is a term in medical terminology used to describe soft, fluid-filled sacs or "pneumatically filled" spaces within the lungs. These are often found in the lower part of the lung called the diaphragm and are primarily composed of small air cells that produce mucus to insulate the lungs from external air particles. Pleurotomaria can be associated with a variety of conditions, including chronic obstructive pulmonary disease (COPD), as well as infections