Related by context. Frequent words. (Click for all words.) 68 spinal column 65 urethra 61 spinal cord 61 aorta 61 coronary artery 59 blood vessels 59 optic nerve 58 sciatic nerve 58 pulmonary artery 57 abdominal wall 57 sternum 57 nasal cavity 57 intestine 57 spine 56 abdomen 56 esophagus 56 small intestine 56 chest cavity 55 uterus 55 trachea 55 abdominal cavity 55 femoral 54 left ventricle 54 bile duct 54 GI tract 54 stenosis 54 intestines 53 mitral valve 53 vertebrae 53 capillaries 53 carotid arteries 53 anterior 53 artery 53 windpipe 53 ventricle 52 coronary arteries 52 diaphragm 52 muscle tissue 52 femoral artery 52 clot 52 incision 52 cerebrospinal fluid 51 ventricles 51 soft tissues 51 malformation 51 blood clot 51 cyst 50 arteries 50 pelvis 50 vertebra 50 cervical spine 50 nerve endings 50 prostate gland 50 lesion 50 lung tissue 50 fallopian tubes 50 aortic valve 50 bladder 50 venous 49 ear canal 49 cerebellum 49 connective tissue 49 nasal passages 49 cartilage 49 spinal 49 tendons 49 scar tissue 48 tibia 48 catheter 48 aneurysm 48 intestinal tract 48 artery walls 48 breastbone 47 soft tissue 47 incisions 47 ligament 47 adhesions 47 cysts 47 pancreas 47 lower extremities 47 deformity 47 sinuses 47 cornea 47 carotid artery 47 annulus 47 esophageal 47 distal 47 gallbladder 47 ligaments 47 pelvic 47 gastrointestinal tract 47 rib cage 47 surgically 46 calf muscles 46 gland 46 lumbar spine 46 lower extremity 46 vasculature 46 nerve fibers 46 fatty tissue 46 anus