from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Relating to the pleuroperitoneum.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum.
from The Century Dictionary and Cyclopedia
- In zoology and anatomy, of or relating to the pleura and the peritoneum, or the general body-cavity or perivisceral cavity of a vertebrate animal when it is not divided by a partition (diaphragm) into a pleural or thoracic and a peritoneal or abdominal cavity.
pleuro- + peritoneal (Wiktionary)
The upper arrow is in the pleuroperitoneal opening, the lower in the pleuropericardial.
As a rule, it is still briefly called the coeloma; formerly it was known in anatomy as the pleuroperitoneal cavity.