Definition : Subdivision of abdomen, which is demarcated from the abdomen proper by the plane of
the superior pelvic aperture, and from the perineum by the inferior surface of the
pelvic diaphragm; together with the abdomen proper, it constitutes the abdomen. [FMA];
Subdivision of abdomen, which is demarcated from the abdomen proper by the plane of
the superior pelvic aperture, and from the perineum by the inferior surface of the
pelvic diaphragm; together with the abdomen proper, it constitutes the abdomen. [FMA]