Related by context. Frequent words. (Click for all words.) 68 pleural 66 peritoneal cavity 65 lymph vessels 63 anal canal 61 pleura 61 sinus cavities 60 tubules 60 bronchi 59 cerebral spinal fluid 58 distention 58 Scar tissue 58 synovium 58 lymphatic vessels 58 combustion gases 57 intestinal tissue 57 pericardium 57 duodenal 57 lungs 57 granulomas 57 aspirate 57 cerebrospinal fluid 57 cerebrospinal fluid CSF 56 peritoneal 56 arterial blockage 56 alveoli 56 venous blood 56 granuloma 56 sinus cavity 56 hydroxyl radicals 56 ureters 56 ascites 56 ductal 56 pleural effusion 56 edema swelling 56 mediastinal 56 abdominal cavity 56 alveolar 55 pneumothorax 55 epididymis 55 pulmonary arteries 55 pulmonary emboli 55 inflamed tissue 55 sensory nerves 55 epithelial cell 55 splenic 55 cystic 55 nasal cavity 55 lobules 55 infectious prions 55 lymph glands 55 oesophageal 54 oropharynx 54 pericardial 54 stromal 54 emboli 54 subcutaneous tissue 54 bronchial tubes 54 mucosa 54 nasal cavities 54 parathyroid 54 microbubbles 54 cysts 53 meconium 53 myocardial ischemia 53 milk ducts 53 luminal 53 gastrointestinal GI tract 53 liver spleen 53 pharyngeal 53 lung tissue 53 ileum 53 thick mucus 53 lavage 53 resected 53 embolism 53 medulla 53 cecum 53 fibrous tissue 53 hematuria 53 synovial fluid 53 carcinoid tumors 53 lung 53 prostate tissue 53 intra abdominal 53 intravascular 53 nasopharynx 53 anterior chamber 53 vacuoles 53 spleen liver 53 distension 52 anaerobic bacteria 52 peritoneum 52 duodenum 52 inflamation 52 oral mucosa 52 digestive organs 52 ganglion 52 electrical conduction 52 ectopic 52 apoptotic cells 52 teratoma