spinal column, urethra, iliac artery, aorta, pericardium, coronary artery, ureters, spinal cord, distally, spermatic cord, intervertebral disc, anal canal, optic nerve, vertebral artery, sciatic nerve, anteriorly, diverticula, popliteal artery, abdominal aorta, aortic arch, cavernous sinus, herniated, pulmonary artery, parathyroid gland, acetabulum, inferior vena cava, ascending aorta, abdominal wall, bronchi, foramen, septum, iliac vein, intestine, basilar artery, epiphysis, subclavian artery, pylorus, nasolacrimal duct, uterine cavity, spine, esophagus, coronary sinus, sternum, nasal cavity, small intestine, fibular, spondylolisthesis, subarachnoid space, intervertebral, abdomen, brachial plexus, prolapsed, stenotic, bronchial tubes, anal sphincter, femoral vein, trachea, duodenum, pulmonary valve, phrenic nerve, chest cavity, cartilages, vas deferens, pelvic cavity, posteriorly, ostium, mediastinum, uterus, foramen magnum, abdominal cavity, popliteal, thoracic cavity, left ventricle, maxillary sinus, bile duct, fallopian tube, soft palate, femoral, descending aorta, gi tract, atresia, embolus, arterioles, sacral nerve, pubic bone, fibrous tissue, synovium, thoracic aorta, sigmoid colon, periosteum, pancreatic duct, fibrocartilage, mitral valve, lateral epicondyle, trapezius muscle, vena cava, lumbosacral, atrial septal defect, nasal septum, sacrum, arteriotomy, tricuspid valve

back, backbone, spinal column, spine, vertebral column

canal, channel, duct

canalis vertebralis, vertebral canal