Anatomy n physiology of pharynx 03

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Anatomy n physiology of pharynx 03

  1. 1. pgmedicalworld.com
  2. 2. - Fibromuscular tube - Length - Width - Extent pgmedicalworld.com
  3. 3. ACTS AS CROSSROAD: pgmedicalworld.com
  4. 4.  LAYERS:  Mucosa Submucosa Pharynringobasilar fascia Muscular coat Baccopharyngeal fascia  Pharyngial plexus pgmedicalworld.com
  5. 5. MUSCLES OF PHARYNX: pgmedicalworld.com
  6. 6.  Gate way of tears  Paryngeal diverticula pgmedicalworld.com
  7. 7. pgmedicalworld.com
  8. 8.  Retropharyngeal space.  Parapharyngeal space. pgmedicalworld.com
  9. 9. Extent: base of skull to tracheal bifurcation Location: bet alar fascia n buccopharyngeal fascia covering muscles Source of infection: parapharyngeal space, parotid, oesophagus, retropharyngeal nodes, spine. Applied: Retropharyngeal abscess .pgmedicalworld.com
  10. 10. -Extent: base of skull to hyoid bone & submandibular gland -Location: Buccopharyngeal fascia covering lateral aspect of pharynx medially, n fascia covering pterygoid muscles, mandible n parotid gland laterally -Sources of infection: peritonsillar abscess, parotid abscess, submandibular gland infection. -Applied: Parapharynreal abscess. pgmedicalworld.com
  11. 11. pgmedicalworld.com
  12. 12.  Anatomy pgmedicalworld.com
  13. 13.  Fossa of Rosenmuller  Nasopharyngeal tonsil (Adenoids)  Nasopharyngeal Bursa  Rathke’s Pouch  Tubal tonsil  Sinus of Morgagni  Passavant’s Ridge  Epithelial lining pgmedicalworld.com
  14. 14. Rathke’s pouch Nasopharyngeal bursa Adenoids pgmedicalworld.com
  15. 15. 1. Warm n humidification of air 2. Pressure equilibrium. 3. Elevation of soft palate. 4. Resonating chamber. 5. Draining channel. pgmedicalworld.com
  16. 16. Anatomy pgmedicalworld.com
  17. 17.  Ant wall: a) Base of tongue b) Lingual tonsils c) Valleculae pgmedicalworld.com
  18. 18.  Lat wall: a) Palatine tonsil b) Anterior pillar(palatoglossal arch) c) Posterior pillar (palatopharyngeal arch) pgmedicalworld.com
  19. 19. 1. Passage 2. Deglutition 3. Speech 4. Appreciation of taste 5. Local defence & immunitypgmedicalworld.com
  20. 20.  Applied: children large n regress aft puberty peritonsillar abscess Tonsillectomy reffered pain: glossopharyngeal nerve septic focus. pgmedicalworld.com
  21. 21. Anatomy pgmedicalworld.com
  22. 22. 1. Pyriform sinus (fossa) A. anastetia of subepiglottic part of larynx. B. Reffered pain to ear in ca. of fossa. 2. Post-cricoid region- site for carcinoma 3. Posterior pharyngeal wall-extents from hyoid bone to cricoarytenoid jt. pgmedicalworld.com
  23. 23. POSTERIOR VIEW OF PHARYNX pgmedicalworld.com
  24. 24. 1. Pathway 2. Speech n deglutition pgmedicalworld.com
  25. 25. pgmedicalworld.com
  26. 26. BLOOD SUPPLY: pgmedicalworld.com
  27. 27. VENOUS DRAINAGE pgmedicalworld.com
  28. 28. pgmedicalworld.com
  29. 29. pgmedicalworld.com
  30. 30. pgmedicalworld.com

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