MeSH definition : An area occupying the most posterior aspect of the ABDOMINAL CAVITY. It is bounded
laterally by the borders of the quadratus lumborum muscles and extends from the DIAPHRAGM
to the brim of the true PELVIS, where it continues as the pelvic extraperitoneal space.;
MeSH annotation : NIM: usually locational so few qualif apply; diagnostic retropneumoperitoneum or pneumoretroperitoneum:
index under RETROPERITONEAL SPACE /radiogr (IM) PNEUMORADIOGRAPHY (NIM): do not
confuse with RETROPNEUMOPERITONEUM (Cat C); usually NIM as locational; diagnostic retropneumoperitoneum or pneumoretroperitoneum:
index RETROPERITONEAL SPACE /diag image PNEUMORADIOGRAPHY (do not confuse with
the pathological condition, RETROPNEUMOPERITONEUM);
An area occupying the most posterior aspect of the ABDOMINAL CAVITY. It is bounded
laterally by the borders of the quadratus lumborum muscles and extends from the DIAPHRAGM
to the brim of the true PELVIS, where it continues as the pelvic extraperitoneal space.