Related by context. Frequent words. (Click for all words.) 79 bronchi 70 lymph vessels 69 bronchial tubes 69 alveoli 68 pleura 66 pulmonary arteries 66 tubules 64 peritoneal cavity 64 lobules 63 pharynx 63 lymphatic vessels 63 nasopharynx 63 nasal cavities 63 capillaries 62 sinus cavities 62 esophagus stomach 62 meninges 62 epididymis 61 pharyngeal 61 duodenum 60 mucosa 60 epithelium 60 gastrointestinal GI tract 60 pleural 60 abdominal aorta 60 amyloid deposits 60 conjunctiva 59 respiratory tract 59 mucous membrane 59 atherosclerotic lesions 59 oropharynx 59 bronchus 59 granulomas 58 blood vessels 58 bile ducts 58 glomeruli 58 abdominal organs 58 ileum 58 enlarged tonsils 58 air sacs 58 spleen liver 58 ureters 58 subcutaneous tissue 58 milk ducts 58 duodenal 57 liver spleen 57 pericardium 57 nasal cavity 57 sebaceous glands 57 ectopic 57 nasal passage 57 oesophageal 57 ductal 57 lymph glands 57 upper airway 56 papules 56 phloem 56 Scar tissue 56 Varicose veins 56 lungs 56 collagen fibers 56 digestive organs 56 electrical conduction 56 alveolar 56 neovascularization 56 Uterine fibroids 56 cankers 55 kidneys lungs 55 atherosclerotic plaques 55 fibrotic 55 epithelial cell 55 ureter 55 erythrocytes 55 ganglion 55 aortas 55 cecum 55 prostatic 55 necrotic 55 trachea 55 inflammations 55 Visceral fat 55 axillary 55 vasoconstriction 55 peripheral tissues 55 distention 55 trigeminal nerve 55 thick mucus 55 mucus membranes 55 nasal passages 55 fibrous tissue 55 pulmonary artery 55 carotid arteries 54 swellings 54 Ultraviolet light 54 luminal 54 peripheral arteries 54 circulatory system 54 vasodilators 54 peritoneum 54 Langerhans cells 54 vasculature