Related by context. Frequent words. (Click for all words.) 66 nasal passages 65 bronchial tubes 65 nasal passage 64 sinus cavity 63 sinuses 62 mucous membrane 61 conjunctiva 60 soft palate 60 bronchi 60 nasal cavity 60 pericardium 59 pharyngeal 59 uvula 58 pleura 58 pharynx 58 intestines 58 ear canals 58 inflamed tissue 57 esophagus 56 abdominal cavity 56 capillaries 56 ear canal 56 thyroid glands 56 chest cavity 55 mucous membranes 55 peripheral arteries 55 nostrils 55 eardrum 55 tingling sensations 55 urethra 55 mucosa 55 lymph glands 55 adenoids 55 tubules 55 duodenum 55 blood vessels 55 respiratory tract 55 intraocular 55 trachea 55 mucous 55 pleural 55 intestinal tract 54 sinus 54 GI tract 54 digestive tract 54 oesophageal 54 sebaceous glands 54 inflammations 54 spinal nerves 54 sclera 54 secretions 54 lungs 54 nasal secretions 54 granulomas 54 upper eyelid 54 septum 54 mucus membranes 54 nostril 54 tiny incisions 54 abdominal wall 54 dentin 54 upper airway 54 abdominal organs 54 sensory nerves 53 bladder 53 anterior chamber 53 nasal polyps 53 intestine 53 bile ducts 53 trigeminal nerve 53 gastrointestinal tract 53 mucus 53 meninges 53 epithelium 53 spinal canal 53 gastrointestinal GI tract 53 urinary tract 53 redness swelling 53 colon 52 esophageal 52 fatty tissue 52 anatomical structures 52 bursa 52 lower esophageal sphincter 52 diseased arteries 52 fibrous tissue 52 sinus congestion 52 Ultraviolet light 52 abdominal aorta 52 rectum 52 optic nerves 52 catheter inserted 52 Varicose veins 52 lymphatic vessels 52 gums 52 vitreous 52 carotid arteries 52 salivary glands 52 intestinal lining 52 thick mucus 52 digestive juices