adenoids, pharyngeal tonsil or nasopharyngeal tonsil otolaryngology adenoid hypertrophy

infographic adenoiditis otorhinolaryngology diagnosis surgery endoscopy disease diagnostics structure scientific internal doctor medical science biology organ nasal vector illustration medicine pharyngeal tonsil nasopharyngeal superior most throat inside mouth nose swollen adenoid normal hypertrophy adenoids human anatomy adeno tonsillectomy adenoidectomie enlarged otolaryngology adenoidectomy