WARM UP 1/20 1. How many bones do we have in our body? 2. How many in our head? 3. Name as many...

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Transcript of WARM UP 1/20 1. How many bones do we have in our body? 2. How many in our head? 3. Name as many...

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WARM UP 1/20 1. How many bones do we have in our body? 2. How many in our head? 3. Name as many bones as you know. Slide 2 Ch. 7 : 1/30 Intro to BONES: skull Slide 3 206 total bones in the adult body Children around 450 * due to some bones not yet fused EX: - wrist - ankle - pelvis - skull Slide 4 CHILDs SKULL Fontanels areas where the major skull bones have not fused together yet AKA soft spots Purpose: so skull can be flexible for birth (solid after about 18 months) Slide 5 2 Major Skeletal regions: 1. AXIAL head neck and torso (80) 2. APPENDICULAR arms and legs (126) Slide 6 AXIAL SKULL 28 bones total Cranium (8) Face (14) Ear (6) Slide 7 SKULL FEATURES SUTURES immovable joints between skull bones SINUS cavity or space MEATUS tube-shaped opening Slide 8 FORAMEN hole (for blood vessels) * foramen magnum hole at bottom of skull, where spinal cord attaches to brain. PROCESS projection (sticking out) Slide 9 SKULL BONE LABELING FRONT VIEW 1. Suture 2. Parietal 3. Sphenoid 4. Nasal 5. Ethmoid 6. zygomatic 7.Mastoid process 8.Frontal 9.Maxilla 10.Mandible 11.Supraorbital foramen 12.Orbital foramen Slide 10 13. Lacrimal 14. Infraorbital foramen 15. SKIP 16. Vomer (nasal septum) 17. Mental foramen Slide 11 SIDE VIEW 1. Suture 2. Suture 3. Parietal 4. Occipital 5. Auditory meatus 6. Mastoid process 7. Styloid process 8. temporal 9. Sphenoid 10. Zygomatic 11. Mandible 12. Suture 13. Frontal 14. Lacrimal 15. SKIP 16. nasal Slide 12 17. Ethmoid 18. Maxilla 19. Mental foramen 20. Zygomatic process EAR bones Malleus (hammer) Incus (anvil) Stapes (stirrup) Slide 13 ANTERIOR (front) 1. Cranium or skull (28) 2. Cervical vertebrae (7) 3. Clavicle 4. Scapula 5. Sternum (3) 6. Humerus 7. Rib (24) 8. Ulna 9. Radius 10. Ilium 11. Ischium 12. Carpals (16 total) 13. Metacarpals (10 total) 14. Phalanges (28 total) 15. Pubic 16. Femur 17. Patella 18. Tibia 19. Fibula 20. Tarsal 21. Metatarsal (10 total) 22. Phalanges (28 total) 23. Sacrum 24. coccyx Slide 14 POSTERIOR (back) 1. Scapula 2. Humerus 3. Ulna 4. Radius 5. SKIP 6. Pubic 7. Femur 8. Fibula 9. Tibia 10. Calcaneous 11. cranium 12. Cervical vertebrae 13. Clavical 14. Thoracic vertebrae (12) 15. olecranal 16. Lumbar vertebrae (5) 17. Ilium 18. Sacrum 19. Coccyx 20. Carpals 21. Metacarpals 22. phalanges Slide 15 1. Neck bones 2. Shoulder blade 3. Collar bone 4. Tailbone 5. Breastbone 6. Upper leg 7. Shin 8. Knee 9. Wrists 10. Hand bones 11. Bone separating the nose Fingers and toes Ankles Feet bones Hip bone Upper arm bone Bone to pinky Bone to thumb Elbow Middle back bones Lower back bones Heel bone 2 bones on side of head Lower jaw bone Forehead bone Cheek bone Upper jaw bone Back of head bone Top of head bone Butt bone Nose bone Bone behind eye Slide 16 SKULL BONES 1.Frontal 2.Sphenoid 3.Nasal 4.Zygomatic arch 5.Maxilla 6.Mandible 7.Mental foramen 8.Nasal septum 9.Infraorbital foramen 10.Orbital Slide 17 11. Parietal 12. Suture 13. Occipital 14. Mastoid process 15. Styloid process 16. Zygomatic process 17.Temporal 18.Sphenoid 19.Mandible 20.Mental foramen 21.Maxilla