1. SKELETAL SYSTEM

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3. BONES OF THE SKULL
1. Frontal - 2. Parietal Occipital - 4. Temporal Sphenoid Maxilla Mandible -
8. Zygomatic -

4. Sphenoid Bone
Names for its shape
a butterfly!

5. Sutures - connection points
1. Coronal - between frontal and parietal bones 2. Lambdoidal - between occipital and parietal bones 3. Squamosal - between temporal and parietal bones 4. Sagittal - between parietal bones

6. Suture - refers to any connection between large bones (in fetal skulls, these are called fontanels)
Fissure - any wide gap between bones

7. Fontanels are “soft spots” on an infant’s skull

8. TOPOGRAPHY OF THE SKULL
Foramen - refers to any opening in the skull, nerves and blood vessels leave this opening to supply the face
Foramen Magnum
Mental Foramen

9. Foramen Magnum
* Assignment: Skull Labeling

11. Figure 6.10

12. Figure 6.10

14. The Rest of the Bones

15. Vertebrae
Neck = cervical
Middle Back = thoracic
Lower Back = lumbar

16. Thoracic Cage → 12 pairs of ribs
True Ribs = First seven
False Ribs = Next 3 pairs
Floating Ribs = Last two pairs

17. Pectoral Girdle
Two
CLAVICLES
(collarbones)
SCAPULAS
(shoulderblade)

18. Ulna goes to pinky (P-U)
Bones of the Arm
Ulna goes to pinky  (P-U)
Radius goes to thumb
HUMERUS
ULNA
RADIUS

19. Wrist - 8 small bones called carpels
Wrist Bones
Wrist - 8 small bones called carpels
Metacarpals (hand)
Fingers: Phalanges

20. Name the carpals for *extra credit on test.

21. Pelvic Girdle
two large COXAL BONES ( separated )

22. Pelvic Girdle COXAL COXAL
The SACRUM is between coxal bones, COCCYX is the tailbone

23. Bones of the Leg Upper Leg - FEMUR Kneecap - PATELLA
Lower Leg - TIBIA & FIBULA

24. Bones of the Ankle Ankle and Upper foot - 7 bones called Tarsals
Large heel bone is the calcaneous
Foot = metatarsals
Toes = phalanges
Assignment – Skeleton Labeling

29. Broken Bones

31. Warning: Next slide is graphic!