Related by context. Frequent words. (Click for all words.) 58 liver 55 corneal tissue 53 lymph glands 53 kidney 53 intestines 52 bone grafts 52 pancreas 51 diseased tissues 51 intestine 51 transplanted tissue 51 trachea 51 kidneys 51 pericardium 50 pancreases 50 tissue 50 ovary 50 pulmonary valve 50 laparoscopically 50 small intestine 49 diseased tissue 49 diseased organs 49 sinus cavity 49 tumor 49 spinal chord 49 metastatic tumors 49 melanoma tumors 49 tumors 48 breast tissue 48 grafts 48 livers 48 atherosclerotic plaques 48 tracheal 48 bone marrow 48 marrow 48 ureter 48 organs 48 gall bladder 47 inflamed tissue 47 prostate tissue 47 ovarian tissue 47 prostate gland 47 abdominal aorta 47 cancerous growths 47 internal organs 47 hemangioma 47 surgically 47 diseased 47 diseased cells 46 skin grafting 46 blood vessels 46 optic nerves 46 skin graft 46 thymus gland 46 uterus 46 aortas 46 bowel 46 liver pancreas 46 lung tumors 46 pancreatic islet cells 46 vital organs 46 abdominal cavity 46 skin grafts 46 chest cavity 46 neural tissue 46 bone marrow stem cell 46 cancerous cells 46 aorta 46 coronary artery 46 uvula 46 bone marrow stem cells 46 platelet transfusions 46 islet cells 46 RPE cells 45 granulomas 45 malformation 45 adrenal gland 45 cell transplantation 45 intestinal lining 45 resected 45 parasitic worms 45 bone marrow biopsy 45 pancreatic cells 45 corneas 45 titanium rods 45 surgically removed 45 malignant tumor 45 spinal fluid 45 windpipe 45 tubules 45 muscle tissue 45 tiny incisions 45 esophagus 45 lymph nodes 45 cancerous tumor 45 myoblasts 45 immunosuppressant drugs 45 fetal tissue 45 spinal cord 45 cornea 45 tonsils 45 pulmonary artery