Relier Pairs Principal Body Cavities and Major Anatomical ContentsVersion en ligne Intro to A&P par Sariyeth Clemente 1 Mediastinum cavity 2 Vertebral (Spinal) cavity 3 Dorsal body cavity 4 Pelvic Cavity 5 Abdominopelvic cavity 6 Ventral cavity 7 Pleural cavity 8 Thoracic cavity 9 Pericardial cavity 10 Cranial cavity 11 Principal Body Cavities 12 Abdominal Cavity superior portion of the ventral cavity, this cavity is surrounded by ribs, sternum, the thoracic vertebrae. It has three smaller cavities formed by the cranial (skull) bones and contains the brain. Posterior aspect of the body and divided into two subdivisions 2 cavities, each surrounding a lung fluid-filled space that surrounds the heart. Located between the lungs inferior portion containing the urinary bladder, appendix, sigmoid colon, rectum, and reproductive organs anterior aspect of the body; divided into two subdivisions by the diaphragm formed by the vertebrae (or bones of the vertebral column). This cavity contains the spinal cord and the beginnings of the spinal nerves. inferior portion of the ventral cavity. It extends from the diaphragm to the groin. It is divided into two separate cavities Dorsal body cavity, Ventral cavity central portion of thoracic cavity between lungs, extends from sternum to vertebral column, & neck to diaphragm. Does not contain lungs. superior portion containing the stomach, liver, pancreas, gall bladder, small intestine and most of the large intestine.