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The Larynx (Anatomy of the Neck)

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The Larynx (Anatomy of the Neck)

  1. 1. Larynx (Page 142) Dr.Sherif Fahmy
  2. 2. Skeleton of larynx A- Cartilages: 1- Single: Thyroid, cricoid and epiglottis. 2- Paired: Arytenoid, corniculate and cuneiform. B- Membranes: Thyrohyoid, cricothyroid, cricotracheal and quadrangular. Dr.Sherif Fahmy
  3. 3. Thyroid cartilage Dr.Sherif Fahmy
  4. 4. Thyroid cartilage Cricoid cartilage Quadrilateral lamina Laryngeal prominence (Adam’s apple) Hyoid bone Dr.Sherif Fahmy
  5. 5. Laryngeal prominence Thyroid notch Superior horn Inferior horn Oblique line Thyoid cartilage Quadrilateral plate of cartilage Dr.Sherif Fahmy
  6. 6. Cricoid Cartilage Dr.Sherif Fahmy
  7. 7. Cricoid cartilage Anterior arch Posterior quadrate lamina Articulation with inferior horn of thyroid cartilage Site for arytenoid Crico-tracheal ligament Dr.Sherif Fahmy
  8. 8. Epiglottis Dr.Sherif Fahmy
  9. 9. Epiglottis Stalk Right thyroid lamina Thyroepiglottic lig. Dr.Sherif Fahmy
  10. 10. Epiglottis Thyroid cartilage Arytenoid cartilage Posterior quadrate cricoid cartilage Thyro- epiglottic lig. Posterior concave smooth surface Posterior aspect Dr.Sherif Fahmy
  11. 11. Arytenoid cartilage Thyroid cartilage (cut) Quadrangular membrane Epiglottis Thyro-epiglottic lig. Upper border Lower border Cricoid cartilage Crico-thyroid membrane Dr.Sherif Fahmy
  12. 12. Thyroid cartilage (cut) Thyro-epiglottic lig. Hyoid bone Hyo-epiglottic lig. Vestibular fold Arytenoid cartilage Ary-epiglottic fold Epiglottis Quadrangular membrane Dr.Sherif Fahmy
  13. 13. Oral part Pharyngeal part Median glosso- epiglottic lig. Lateral glosso- epiglottic folds Epiglottis Dr.Sherif Fahmy
  14. 14. Arytenoid Cartilages Dr.Sherif Fahmy
  15. 15. Arytenoid cartilage Apex Base Vocal process Muscular process Cricoid cartilage Muscular process Dr.Sherif Fahmy
  16. 16. Cricoid cartilage Arytenoid cartilage Vocal process Vocal cord Posterior quadrate lamina Muscular processes Dr.Sherif Fahmy
  17. 17. Corniculate & Cuneiform Cartilages Dr.Sherif Fahmy
  18. 18. Cricoid cartilage (cut) Arytenoid cartilage Thyroid cartilage (cut) Quadrangular membrane Corniculate cartilage Cuneiform cartilage Epiglottis Dr.Sherif Fahmy
  19. 19. Ligaments, Membranes & Folds Dr.Sherif Fahmy
  20. 20. 1- Thyro-hyoid Memrane Dr.Sherif Fahmy
  21. 21. Thyroid cartilage Hyoid bone Median thyrohyoid lig. Lateral thin part Perforation for passage of int. laryngeal n. and sup. Laryngeal art. Lateral thyrohyoid lig. Dr.Sherif Fahmy
  22. 22. 2- Ligaments & folds attached to epiglottis Dr.Sherif Fahmy
  23. 23. Arytenoid cartilage Thyroid cartilage (cut) Quadrangular membrane Epiglottis Thyro-epiglottic lig. Upper border Lower border Dr.Sherif Fahmy
  24. 24. Thyroid cartilage (cut) Thyro-epiglottic lig. Epiglottis Hyoid bone Hyo-epiglottic lig. Vestibular fold Arytenoid cartilage Ary-epiglottic fold Quadrangular membrane covered with mucus membrane Dr.Sherif Fahmy
  25. 25. Pharyngeal part Median glosso- epiglottic lig. Lateral glosso- epiglottic folds Epiglottis Dr.Sherif Fahmy
  26. 26. 3- Ligaments attached to Cricoid cartilage Dr.Sherif Fahmy
  27. 27. Ligaments attached to Cricoid cartilage Crico-tracheal ligament 1st tracheal ring Cricoid cartilage Dr.Sherif Fahmy
  28. 28. Crico-thyroid lig. Crico-vocal lig. Cricoid cartilage Thyroid cartilage Dr.Sherif Fahmy
  29. 29. Cricoid cartilage (cut) Vocal process Crico-vocal lig. Cricothyroid lig. Thyroid cartilage (cut) Arytenoid cartilage Vocal cord Sagittal section of skeleton of larynx Dr.Sherif Fahmy
  30. 30. Cavity of Larynx (Page 148) Dr.Sherif Fahmy
  31. 31. Vestibular fold Arytenoid cartilage Ary-epiglottic fold Vestibule Sinus Infraglottic part Cavity of larynx Vocal fold Epiglottis Sagittal section Dr.Sherif Fahmy
  32. 32. Vestibule Infra-glottic part Sinus Cavity of Larynx Epiglottis Ary-epiglottic fold Vestibular fold Vocal fold Coronal section Saccule Dr.Sherif Fahmy
  33. 33. Inlet of Larynx Dr.Sherif Fahmy
  34. 34. Posterior view Posterior wall of pharynx (Cut) Piriform recess Inlet of larynx Pathway of food during swallowing Dr.Sherif Fahmy
  35. 35. Upper border of epiglottis Ary-epiglottic fold Inter-arytenoid fold Cuneiform cartilage Corniculate cartilage Inlet of larynx Dr.Sherif Fahmy
  36. 36. Ary-epiglottic fold Vestibular fold Vocal fold Sinus of larynx Thyroid cartilage (cut) Dr.Sherif Fahmy
  37. 37. Muscles of Larynx Dr.Sherif Fahmy
  38. 38. Crico-thyroid m. Dr.Sherif Fahmy
  39. 39. Epiglottis Thyroid cartilage Arytenoid cartilage Posterior aspect Transverse arytenoid Oblique arytenoid m. Ary-epiglottic m. Posterior crico- arytenoid m. Cricoid cartilage Dr.Sherif Fahmy
  40. 40. Cricoid cartilage Arytenoid cartilage Vocal cord Muscular processes Lateral crico- arytenoid m. Vocalis m. Dr.Sherif Fahmy
  41. 41. Posterior crico- arytenoid m. Lateral crico- arytenoid Transverse arytenoid Oblique arytenoid Vocalis m. Arytenoid cartilage Cricoid cartilage Thyroid cartilage Dr.Sherif Fahmy
  42. 42. Lateral crico-arytenoid m. Posterior crico- arytenoid m. Thyro-arytenoid m. Thyro-epiglottic m. Ary-epiglottic m. Dr.Sherif Fahmy
  43. 43. Superior view Arytenoid Vocal lig Vocalis m. Thyro- arytenoid m. Dr.Sherif Fahmy
  44. 44. Quiet respiration Deep inspiration Dr.Sherif Fahmy
  45. 45. Abduction of vocal cord Adduction of vocal cords Closure of rima glottidis Dr.Sherif Fahmy
  46. 46. Nerve Supply 1- Superior laryngeal Nerve. 2- Recurrent laryngeal Nerve. Dr.Sherif Fahmy
  47. 47. Blood Supply 1- Superior laryngeal artery. 2- Inferior laryngeal artery. Dr.Sherif Fahmy
  48. 48. Applied Anatomy Tracheostomy: A hole which is done in trachea or crico-thyroid membrane in case of laryngeal obstruction. Dr.Sherif Fahmy

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