Structures related to bed of tonsil

The tonsil is separated from its bed by loose areolar tissue. The structures forming the bed of the tonsil are:

  • Superior constrictor muscle
  • Styloglossus muscle

The structures related to the bed of the tonsil are:

  • styloid process (if enlarged)
  • glossopharyngeal nerve
  • facial artery
  • submandibular salivary gland
  • posterior belly of digastric
  • medial pterygoid muscle
  • angle of mandible

Clinical importance:

  • The glossophayrngeal nerve and the enlarged styloid process can be approached through the tonsillar bed
    • for glossopharyngeal neurectomy and removal of styloid process in eagles syndrome

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