a. [ Cf. F. péritonéal. ] (Anat.) Of or pertaining to the peritoneum. [ 1913 Webster ]
a. (Anat.) Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum. [ 1913 Webster ]
a. (Anat.) Situated under the peritoneal membrane. [ 1913 Webster ]