Head & Neck

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Head & Neck

  1. 1. 1HEAD & NECKS.S Hotchandani
  2. 2. 2 Conceptual Overview
  3. 3. Head Compartments.3  Cranial Cavity  Ears  Orbits  Nasal Cavity  Oral Cavity
  4. 4. Neck Compartments4  Vertebral Compartment  Visceral Compartment  Vascular Compartment
  5. 5. Functions of Head & Neck5  Protection  Contains Upper Parts of Respiratory & Digestive Tracts  Communication  Positioning the Head  Connects Upper & Lower Respiratory tracts
  6. 6. 6 Component Parts
  7. 7. Skull7  Made of Bones of Head  Joined by Suture  Synovial Joints of Head  TMJ  Bones of Middle Ear
  8. 8. Cervical Vertebrae8 7 Cervical Vertebrae forms Neck Characterized By;  Small Bodies  Bifid Spinous Process  Transverse Process
  9. 9. Hyoid Bone9  U-Shaped Bone.  Horizontal  Superior to Lyrnx  Body by Base of U  Greater Horns  Attachments  Floorof Oral Cavity Superiorly  Larynx Inferiorly  Pharynx Posterior
  10. 10. Soft Palate10  Soft Tissue  Flap Like  Back of Hard Palate  Free Posterior Margin
  11. 11. 11 Muscles
  12. 12. Head12  Extra ocular  Move Eyeball  Open Upper Eye Lid  Middle Ear  Movement of the Middle Ear Bones.  Facial Expression  Move Face  Mastication  Soft Palate  Toungue
  13. 13. Neck13  Pharynx  Larynx  Strap Muscles  Position Hyoid Bone and Larynx.  Cervical Collar  Postural Muscles
  14. 14. 14 Relationship to Other Regions
  15. 15. Thorax15  Superior Thoracic Aperture
  16. 16. Upper Limbs16  Axillary Inlet
  17. 17. 17 Nerves
  18. 18. Cranial Nerves18  12 in Number.  Innervate Head & Neck  Except Vagus
  19. 19. 19
  20. 20. Cervical Nerves20  C1-C8  C1-C4  Cervical Plexus  C5- T1  Brachial Plexus
  21. 21. 21 Triangles of Neck
  22. 22. Anterior Triangle Boundaries22  Median Vertical Line of Neck.  Inferior Margin of Mandible  Anterior Margin of Sternocleidomastoid Muscle  Structure Passing b/w Head & Thorax can be accessed by this triangle.
  23. 23. Posterior Triangle Boundaries23  Middle 1/3 of Clavicle  Anterior margin of trapezius  Posterior margin of sternocleidomastoid
  24. 24. 24

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