Mouth And Pharynx Short Question And Answers

Question 1. Give an account of position, relations, blood supply & development of palatine tonsil. Add a note on its applied anatomy (or) Palatine tonsil (or) Name the lateral relations of palatine tonsil
Answer:

Palatine Tonsil:

• Position:
  • Each tonsil occupies the triangular tonsillar sinus or fossa between palatoglossus & palatopharyngeal arches

• Relations:
• • It has two surfaces- medial & lateral, two borders- anterior & posterior & two poles- upper & lower

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• Blood supply:
  • Arterial supply

• Palatine Tonsil Venous drainage:
  • Drains into pharyngeal venous plexus
• Palatine Tonsil Development:
  • Each tonsil is developed from the ventral part of the second pharyngeal pouch
  • Lymphocytes are mesodermal in origin
• Palatine Tonsil Applied anatomy:
  • Tonsil is enlarged in children, while in adults it is diminished
  • They are frequent sites of infections
  • Infections in tonsil is called tonsilitis
  • Tonsilitis may cause referred pain in the ear due to Glossopharyngeal nerve supply
  • It requires surgical removal of tonsil called tonsillectomy
  • Removal of tonsil is assessed by noticing the fibrous capsule
  • During removal, the paratonsillar vein may be damaged producing excessive venous hemorrhage
  • This is checked by removal of clot from the raw tonsillar bed