1. 1)Skull 2)Vertebral Column 3)Thoracic Cage

2. The Skull

4. Sinusitis Inflammation of sinus tissue Caused by bacteria or allergy

5. Cleft Palate Genetic defect affecting 1 in 1,000 babies Palatine bones do not fuse in the middle of mouth

6. Vertebral column 7 vertebrae 12 vertebrae 5 vertebrae

7. How will I remember the number of vertebrae? 7 Cervical Vertebrae =7:00 AM Breakfast 12 Thoracic Vertebrae =12:00 Lunch 5 Lumbar Vertebrae =5:00 PM Dinner

8. Cervical Vertebrae (7, C1-C7)

9. Fig. 10.13

10. Thoracic Vertebrae (12, T1-T12)

11. Lumbar Vertebrae (5, L1-L5)

12. The Sacrum and Coccyx Coccyx Sacrum 5 fused vertebrae Blood vessels Nerves

13. Intervertebral Disk What type of cartilage is this?

14. Herniated Disks Swollen intervertebral disk pinches nerve Common in older individuals Some of us spring chickens suffer from this condition as well!

15. Herniated Disks are a major bummer, dude.

17. Spinal Abnormalities - Scoliosis Caused by disease or poor posture

18. Thoracic Cage a) Sternum b) Ribs1-7 True Ribs 8-12 False Ribs 11-12 Floating Ribs Sternum

19. Today’s Tasks: Activity 1: Identify Bones of the Skull Activity 2: Palpate your Skull Markings Activity 4: Examine Vertebral Structure Activity 5: Examine the relationship between Ribs and Vertebrae