Serosa of pleura
Tunica serosa pleurae
- Synonym: Serous coat of pleura
- Related terms: Serosa; Serous coat
Definition
Like other serous membranes, the pleura is covered by a serosa, composed by a single layer of flattened, nucleated cells, united at their edges by cement substance. These cells are modified connective-tissue corpuscles, and rest on a basement membrane.
Beneath the basement membrane, there are net-works of yellow elastic and white fibers, imbedded in ground substance (the subserous layer) which also contains connective-tissue cells. Bloodvessels, lymphatics, and nerves are distributed in the substance of the pleura.
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