nal cord; also called the spinal canal ??? ??? ??? Thoracic cavity space in the chest containing the heart, lungs, bronchial tubes, trachea, esophagus, and other organs ??? ??? ??? Ventral (anterior) pertaining to the front ??? ??? ??? Right hypochondriac region right upper region below the cartilage of the ribs that extend over the abdomen ??? ??? ??? Left hypochondriac region left upper region b