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Submandibular Region (Anatomy of the Neck)

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Submandibular Region (Anatomy of the Neck)

  1. 1. SUBMANDIBULAR REGION (Page 70) Dr.Sherif Fahmy
  2. 2. Sterno- mastoid m. Superior belly of omohyoid m. Digastric m. Lower border of body of mandible Midline of neck
  3. 3. Muscles of Submandibular (Suprahyoid) Region 1- Digastric muscle. 2- Stylohyoid muscle. 3- Myelohyoid muscle. 4- Hyoglossus muscle. 5- Geniohyoid muscle. 6- Genioglossus muscle.
  4. 4. Superficial part of submandibular gland Anterior belly of digastric m. Dr. Sherif Fahmy Posterior belly of digastric m.
  5. 5. Anterior belly of digastric m. Myelohyoid nerveSubmental artery Myelohyoid m. Dr. Sherif Fahmy Posterior belly of digastric m. Stylohyoid m. Hyoglossus m. Dr.Sherif Fahmy
  6. 6. Myelohyoid m. Lingual n. Submandibular ganglion Deep part of submandibular gland Hypoglossal nerve Posterior belly of digastric m. Submandibular duct Dr. Sherif Fahmy Myelohyoid n Submental vs Anterior belly of digastric m Hyoglossus m.
  7. 7. Geniohyoid m. Hyoglossus m. Genio-glossus m. Stylo-glossus m. Lingual nerve Hypoglossal nerve Deep part of submandibular gland Submandibular duct Myelohyoid m. (cut) Dr. Sherif Fahmy
  8. 8. Styloid process Stylohyoid ligamnent Glossopharyngeal n. Middle constrictor m. First part of lingual artery 3rd part of lingual artery Geniohyoid m. Genioglossus m. Sublingual gl. Dr. Sherif Fahmy
  9. 9. Digastric Muscle (Page 70) Dr.Sherif Fahmy
  10. 10. Mastoid process Styloid process Posterior belly of digastric m. Stylohyoid m. Anterior belly of digastric m.Hyoid bone Fibrous loop Digastric fossa Mandible Intermediet tendon
  11. 11. Relations of Digastric Muscle Dr.Sherif Fahmy
  12. 12. A- Anterior Belly Dr.Sherif Fahmy
  13. 13. Superficial part of submandibular gland Anterior belly of digastric m. Superficial Relations of Anterior belly Digastric muscle Dr. Sherif Fahmy Dr.Sherif Fahmy
  14. 14. Anterior belly of digastric m. Myelohyoid nerveSubmental artery Myelohyoid m. Deep Relations of Anterior belly Digastric Muscle Dr. Sherif FahmyDr.Sherif Fahmy
  15. 15. B- Posterior Belly Dr.Sherif Fahmy
  16. 16. Superficial part of submandibular gland Posterior belly of digastric m. Parotid gland Superficial Relations of Posterior Belly Digastric muscle Mastoid process Angle of mandible Dr. Sherif Fahmy Dr.Sherif Fahmy
  17. 17. Posterior belly of digastric m. Internal carotid art. External carotid art. Facial art. Occipita l art. I.J.V. Hypoglossal n. Vagus n. Spinal accessory n. Deep relations of posterior belly of digastric m. Dr. Sherif Fahmy Dr.Sherif Fahmy
  18. 18. Relations to Borders of Posterior Belly of Digastric m. Dr.Sherif Fahmy
  19. 19. Stylohyoid m Dr. Sherif FahmyDr.Sherif Fahmy
  20. 20. Posterior belly of digastric m. Posterior auricular art. Occipital art. Dr.Sherif Fahmy
  21. 21. Myelohyoid Muscle (Diaphragma Oris) (Page 74) Dr.Sherif Fahmy
  22. 22. Myelohyoid muscle Myelohyoid line Median raphe Body of hyoid bone Dr. Sherif Fahmy
  23. 23. Relations of Myelohyoid M. Dr.Sherif Fahmy
  24. 24. Anterior belly of digastric m. Myelohyoid m. myelohyoid nerve Submental artery Beginning of anterior jugular vein Superficial Submental lymph nodes Dr. Sherif FahmyDr.Sherif Fahmy
  25. 25. Superficial part of submandibular gland Dr. Sherif Fahmy
  26. 26. Geniohyoid m. Hyoglossus m. Genio-glossus m. Stylo-glossus m. Lingual nerve Hypoglossal nerve Deep part of submandibular gland Submandibular duct Myelohyoid m. (cut) Deep Dr. Sherif Fahmy
  27. 27. Submental Triangle (Page 40) Dr.Sherif Fahmy
  28. 28. Anterior belly of digastric m. Myelohyoid m. Submental artery Beginning of anterior jugular vein Body of hyoid bone Submental lymph nodes Dr. Sherif Fahmy
  29. 29. Hyoglossus Muscle (Page 78) Dr.Sherif Fahmy
  30. 30. Greater horn of hyoid m. tongue Hyoglossus m. Dr. Sherif Fahmy
  31. 31. Relations of Hyoglossus M. Dr.Sherif Fahmy
  32. 32. Myelohyoid m. Lingual n. Submandibular ganglion Deep part of submandibular gland Hypoglossal nerve Posterior belly of digastric m. Superficial Relations of Hyoglossus Muscle Submandibular duct Dr. Sherif Fahmy
  33. 33. Styloid process Styloglossus m. Lingual nerve Submandibular ganglion Deep part of submandibular gland Hypoglossal n. Dr. Sherif Fahmy
  34. 34. Styloid process Stylohyoid ligamnent Glossopharyngeal n. Middle constrictor m. First part of lingual artery 3rd part of lingual artery Geniohyoid m. Genioglossus m. Deep, anterior and posterior relations Sublingual gl. Dr. Sherif Fahmy
  35. 35. Stylohyoid Muscle (Page 76) Dr.Sherif Fahmy
  36. 36. Dr. Sherif Fahmy
  37. 37. Geniohyoid Muscle (Page 70) Dr.Sherif Fahmy
  38. 38. Geniohyoid m. Genial tubercles Body of hyoid bone Dr. Sherif Fahmy
  39. 39. Genioglossus Muscle (Page 78) Dr.Sherif Fahmy
  40. 40. Hypoglossal nerve Genioglossus m. Dr. Sherif Fahmy
  41. 41. Submandibular Salivary Gland Page 82 Dr.Sherif Fahmy
  42. 42. Parts, site and extensions • Parts: superficial & deep to myelohyoid muscle. • Site: Upper part is deep to mandible (submandibular fossa) while the lower part in digastric triangle. • Extensions: Anterior: mental foramen. Posterior: Angle of mandible. Superior: myelohyoid line. Inferior: intermediate tendon of digastric muscle. Dr.Sherif Fahmy
  43. 43. Superficial part of submandibular gland Posterior belly of digastric m. Anterior belly of digastric m. Parotid gland Dr. Sherif Fahmy
  44. 44. Relations of the superficial part Dr.Sherif Fahmy
  45. 45. Lateral surface Inferolateral surface Medial pterygoid m. Facial artery Facial vein Cervical branch of facial nerve Submandibular lymph nodes Body of mandible Lateral & inferolateral relations Dr. Sherif Fahmy
  46. 46. Myelohyoid m. Lingual n. Submandibular ganglion Deep part of submandibular gland Hypoglossal n. Posterior belly of digastric m. Dr. Sherif Fahmy
  47. 47. Relations of deep part and course of the duct Dr.Sherif Fahmy
  48. 48. Hyoglossus m. Myelohyoid m. Lingual n. Hypoglossal n. Submandibular duct Deep part of submandibular gland Styloglossus m. Sublingual gland Dr. Sherif Fahmy
  49. 49. Frenulum of tongue Sublingual fold Opening of submandibular duct Dr.Sherif Fahmy
  50. 50. Nerve supply: 1- Sensory 2- Sympathetic. 3- Parasympathetic. Blood supply. By facial vessels. Dr.Sherif Fahmy
  51. 51. Myelohyoid m. Lingual n. Submandibular ganglion Dr. Sherif Fahmy
  52. 52. Applied Anatomy • Formation of a stone in its duct is common because its secretion is muco-serous and more viscid. • In this case the gland swell during chewing. Dr.Sherif Fahmy
  53. 53. DIGASTRIC TRIANGLE (Page 36) Dr.Sherif Fahmy
  54. 54. Boundaries Dr.Sherif Fahmy
  55. 55. Digastric m. Lower border of body of mandible Dr. Sherif Fahmy
  56. 56. Posterior belly of digastric m. Stylohyoid m. Anterior belly of digastric m. Mandible Dr. Sherif Fahmy
  57. 57. Floor of Digastric Triangle Dr.Sherif Fahmy
  58. 58. Myelohyoid m. Hyoglossus m. Dr. Sherif Fahmy
  59. 59. Contents Dr.Sherif Fahmy
  60. 60. Lateral surface Inferolateral surface Medial pterygoid m. Facial artery Facial vein Cervical branch of facial nerve Submandibular lymph nodes Body of mandible Lateral & inferolateral relations Dr. Sherif Fahmy
  61. 61. Myelohyoid m. Lingual n. Submandibular ganglion Deep part of submandibular gland Hypoglossal n. Posterior belly of digastric m. Dr. Sherif Fahmy
  62. 62. Sublingual Salivary Gland Dr.Sherif Fahmy
  63. 63. Sublingual salivary gland Submandibular salivary gland Parotid gland Dr.Sherif Fahmy
  64. 64. Myelohyoid m. Lingual n. Submandibular duct Deep part of submandibular gland Sublingual gland Dr. Sherif Fahmy
  65. 65. Dr. Sherif Fahmy
  66. 66. Submandibular Ganglion (Page 88) Dr.Sherif Fahmy
  67. 67. Dr.Sherif Fahmy

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