?:definition
|
-
subdivision of front of trunk, each instance of which has as its constitutional part some complete set of lumbar vertebral arches (L1-L5); it is demarcated from the abdomen internally by the superior surface of the diaphragm and externally by the costal margin and from the pelvis by the plane of the superior pelvic aperture; together with the abdomen and pelvis constitutes the trunk. Examples: There is only one abdomen.
|