ABSTRACT
Data in this chapter are based on a PubMed search using the keywords: pharynx, nasopharynx, oropharynx, hypopharynx, laryngopharynx, constrictor, sphincter, elevator, oesophagus, adenoidectomy, tonsils, adenoids, Waldeyer’s ring, soft palate, cervical oesophagus, thoracic oesophagus, abdominal oesophagus, Valsalva, tonsillectomy and post-tonsillectomy bleed.
