Ns4 Cervical Spine Cords And Nerves

3,171 views

Published on

NS4
Lecture 4 of 63 in the Neuroscience Module

"Cervical Spine, Cords And Nerves" [Anatomy]

Published in: Health & Medicine
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
3,171
On SlideShare
0
From Embeds
0
Number of Embeds
44
Actions
Shares
0
Downloads
0
Comments
0
Likes
2
Embeds 0
No embeds

No notes for slide
  • 6 not 7 questions. 3 from skantha, 3 from robin
  • Ns4 Cervical Spine Cords And Nerves

    1. 1. Cervical Spine, Meninges, Surface Anatomy Dr. Skantha Kandiah MBA, MSc (NUI), MB BCh BAO (NUI), LRCP & SI Senior Lecturer in Anatomy and Lecturer in Healthcare Management RCSI
    2. 2. Surface Anatomy <ul><li>Hyoid Bone C3 </li></ul><ul><li>Thyroid Cartilage C4 </li></ul><ul><li>Cricoid Cartilage C6 </li></ul><ul><li>Cricothyroid membrane – what use? </li></ul><ul><li>Trachea, suprasternal notch </li></ul><ul><li>Normal for trachea to be off centre? </li></ul><ul><li>Carotid pulse – upper border of the thyroid cartilage </li></ul>
    3. 3. Cervical Vertebrae <ul><li>7 Cervical Vertebrae </li></ul><ul><li>8 Cervical Spinal Nerves, Why? </li></ul><ul><li>C 3,4,5,6 – typical – bifid spines </li></ul><ul><li>C 7 – slightly atypical – non-bifid spine </li></ul><ul><li>C 1,2 – atypical </li></ul><ul><li>C7 – vertebrae prominens – how do you find it? </li></ul>
    4. 4. Cervical Vertebrae <ul><li>Transverse process – foramen transversarium – vertebral artery passes through, except for C7 (only vertebral vein) </li></ul><ul><li>Transverse process has 2 tubercles – anterior and posterior </li></ul><ul><li>Anterior tubercle – scalenus anterior attaching to scalene tubercle of 1 st rib </li></ul><ul><li>Posterior tubercle – scalenus medius </li></ul>
    5. 5. Joints <ul><li>C1-C2 Atlantoaxial joint – rotation </li></ul><ul><li>Atlanto-occipital joint – nodding </li></ul><ul><li>DENS – connects C1 and C2 – no joint </li></ul><ul><li>Transverse part of cruciate ligament between DENS and Spinal Cord </li></ul><ul><li>What happens in hanging? </li></ul><ul><li>Secondary cartilagenous joints between all other cervical vertebrae </li></ul>
    6. 6. Veins <ul><li>Internal Jugular Vein – from midway between the tip of the mastoid process and the angle of the mandible, to the SCJ </li></ul><ul><li>External Jugular Vein – from the angle of the mandible to the middle of the clavicle </li></ul><ul><li>EJV drains into the SCV </li></ul><ul><li>IJV and SCV form brachiocephalic </li></ul><ul><li>Both BCV join to form the SVC </li></ul>
    7. 7. More….. <ul><li>Subclavian artery – branches? </li></ul><ul><li>1 st part of subclavian artery: vertebral artery, thyrocervical trunk (inf thyroid, superficial cervical, suprascapular), internal thoracic artery </li></ul><ul><li>2 nd part: Costocervical trunk (superior intercostal, deep cervical) </li></ul><ul><li>3 rd part branches? NONE </li></ul><ul><li>Foramen Magnum – what goes through it? </li></ul><ul><li>What is the brain stem? </li></ul>

    ×