skeletal system
DESCRIPTION
Skeletal System. I. Functions of bone. A.Support B.Protection C.Movement-lever system D.Storage E.Blood cell formation. II. Classification of bones. A.Long bone B.Flat bone C.Short bone D.Irregular bone. III. Gross Anatomy of a Long Bone. A. Diaphysis B. Periosteum - PowerPoint PPT PresentationTRANSCRIPT
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Skeletal System
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I. Functions of bone
• A. Support
• B. Protection
• C. Movement-lever system
• D. Storage
• E. Blood cell formation
![Page 3: Skeletal System](https://reader036.vdocuments.us/reader036/viewer/2022081604/568163d1550346895dd515eb/html5/thumbnails/3.jpg)
II. Classification of bones
• A. Long bone
• B. Flat bone
• C. Short bone
• D. Irregular bone
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III. Gross Anatomy of a Long Bone
• A. Diaphysis• B. Periosteum• C. Epiphyses• D. Articular
cartilage• E. Epiphyseal
plate• F. Medullary
cavity
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IV. Microscopic anatomy-Haversian units
• A. Haversian unit• B. Haversian canal• C. Osteoblast/cyte• D. Canaliculi• E. Lamellae
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V. Bone growth-endochondral ossification
• A. Fetal cart.• B. Boney collar• C. Primary
ossifiation center
• D. Secondary center
• E. Epiphyseal plate
• F. Appositional growth-
• Osteoclasts vs. osteoclasts
• Bone remodeling
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VI. Intramembranous ossification
• A. Soft spot• B. Sites of
eventual suture lines
• C. Allows for compression during birth
• D. Allows for growth of brain during first year
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VI. Rickets
• A. Children’s disease
• B. Failure to calcify
• C. Lack of calcium• D. Lack of vitamin
D• E. Sunlight
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VII. Fractures
• A. Greenstick• B. Spiral• C. Comminuted• D. Transverse• E. Compound
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VIII. Divisions of the skeleton
• A. Axial-forms the longitudinal axis of the body– 1. skull– 2. vertebral
column– 3. thoracic cage
B. Appendicular-appendages and girdles
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IX. Skull
A. Frontal BoneB. Squamousal sutureC. Parietal boneD. Lambdoid sutureE. Occipital boneF. External auditory
meatusG. Mastoid processH. Styloid processI. MandibleJ. MaxillaK. NasalL. Coronal suture
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• A. Nasal bone• B. Frontal• C. Zygomatic• D. Maxilla• E. Mandible• F . Perpendicular plate of ethmoid
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Skull Inferior View
• A. Maxilla• B. Palatine• C. Sphenoid• D. Mastoid• E. Occipital
Condyle• F. Foramen
magnum• G. Styloid
process
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X. Vertebral columnA. Regions
• 1. Cervical-7
• 2. Thoracic-12
• 3. Lumbar-5
• 4. Sacral-5 fused
• 5. Coccyx-4 fused
• 6. Atlas
• 7. Axis
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B. Abnormal spinal curvatures
• 1. kyphosis
• 2. lordosis
• 3. scoliosis
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XI. Sternum
• A. Manubrium• B. Body• C. Xiphoid process• D. True ribs• E. False ribs• F. Floating ribs• G. Jugular notch• H. Sternal angle• I. Sternal puncture
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XII. Skeleton• A. Radius• B. Sacrum• C. Ulna• D. Carpals• E. Metacarpals• G. Phlanges• H. Tibia• I. Fibula• J. Tarsals• K. Metatarsals• L. Phlanges• M. Patella• N. Femur• O. Pelvic girdle• P. Humerus• Q. Scapula• R. Clavicle
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Pectoral Girdle
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Elbow Joint
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Pelvic Girdle