Related by context. Frequent words. (Click for all words.) 70 spinal column 66 spine 62 spinal 62 optic nerve 60 brain 60 vertebrae 58 tendons 58 spinal cord injuries 57 spinal cord injury 57 sternum 57 nerve fibers 57 muscle tissue 56 internal organs 55 small intestine 55 intestines 55 nerve cells 55 blood vessels 54 pelvis 54 vital organs 54 femur 54 ligaments 54 vertebra 53 trachea 53 soft tissue 53 pancreas 52 cartilage 52 liver 52 lung 52 cornea 52 intestine 51 axons 51 tendon 51 aorta 51 retina 50 urethra 50 abdomen 50 neurological 50 lungs 50 ligament 49 extremities 49 diaphragm 49 esophagus 49 muscles 49 connective tissue 49 tissue 49 rib cage 48 artery 48 ribcage 48 tibia 48 shoulder blade 47 windpipe 47 uterus 47 bladder 47 cortex 47 ovary 47 kidneys 46 nerve 46 myelin 46 tissues 46 arteries 46 spinal injuries 46 hair follicles 46 scar tissue 46 gastrointestinal tract 45 circulatory 45 spinal surgery 45 anterior 45 spina bifida 45 lung tissue 45 bone 45 blood clot 45 coronary artery 45 clot 45 pelvic 45 jaw 45 limbs 45 Spinal 45 inner ear 45 larynx 45 digestive tract 45 thyroid gland 45 carotid artery 44 bowel 44 skull 44 meniscus 44 rotator cuff 44 left ventricle 44 limb 44 gland 44 neurons 43 spleen 43 eye socket 43 membranes 43 tumor 43 testicle 43 posterior 43 fibula 43 neuronal 43 legs 42 medial collateral ligament 42 inflammation