Related by context. Frequent words. (Click for all words.) 70 bronchial tubes 69 pulmonary arteries 67 alveoli 67 tubules 66 pharynx 65 duodenum 64 mucosa 63 lymphatic vessels 63 pleura 63 pericardium 63 ureter 63 aortic arch 63 upper airway 62 pleural 62 epithelium 62 ascending aorta 61 conjunctiva 61 blood vessels 60 luminal 59 meninges 59 soft palate 59 urethra 59 uvula 59 ectopic 58 peritoneum 58 ventricles 58 air sacs 58 abdominal aorta 58 hypertrophy 58 alveolar 58 pleural effusion 58 hyperplasia 58 nasal passage 58 pulmonary artery 58 spinal canal 58 capillaries 58 granulomas 58 nasal cavity 58 milk ducts 58 bile ducts 57 pulmonary veins 57 axillary 57 trachea 57 peripheral arteries 57 apical 57 aortas 57 prostatic 56 anterior chamber 56 gastroesophageal reflux 56 testis 56 mitral 56 saphenous vein 56 swellings 56 sensory nerves 56 nasal passages 56 necrotic 56 pulmonary valve 56 epithelial cell 56 intestine 56 cystic 56 fibrotic 56 abdominal organs 56 myocardium 56 atherosclerotic plaques 56 nasal polyps 55 diaphragm 55 lobes 55 genital tract 55 distal 55 fibrous tissue 55 atria 55 vasculature 55 lungs 55 contractile 55 collagen fibers 55 sebaceous glands 55 carotid arteries 55 vasodilation 55 mucous membrane 54 stroma 54 perineum 54 lymph glands 54 thick mucus 54 glands 54 ulcerations 54 ventricle 54 reproductive tract 54 airways 54 tracheal 54 epithelial cells 54 bronchial 54 stromal 54 respiratory tract 54 Obstructive sleep apnea 54 adenoids 54 resorption 54 ventral 54 left ventricle 54 outer membrane 54 anatomical structures 54 Candida albicans