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Related Flashcards
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Cards In This Set
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What are the five classifications of bones based on shape?
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1. flat bones
2. long bones
3. short bones
4. irregular bones
5. sesamoid bones
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Name examples of each type.
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1. flat bones- skull, ribs, scapula, parietal bone
2. long bone: femur, humerus
3. short bone: carpal bone(wrist) and tarsal bone(ankle)
4. irregular bone: vertebrae and maxilla (upper jaw)
5. sesamoid bone: patella
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What are the bones of the skull?
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Frontal
parietal (2)
occipital
temporal (2)
sphenoid
ethmoid
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What are sutures?
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Immovable joints between flat bones of the skull
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Name the three sutures we diagramed in class and describe where are they located (between what bones).
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Saggital suture: between 2 parietal bones
cranial suture: between frontal and parietal bones
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What is the pterion? What is the clinical significance of the pterion?
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It is the weakest part of the cranium.
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What are the bones of the facial skeleton?
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Maxilla (2)
palatine (2)
zygomatic (2)
lacriminal (2)
nasal (2)
vomer (1)
inferior nasal conchae (2)
mandible (1)- only moveable facial bone
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Typical Vertebrae Processes
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*Body: weight bearing
*lamina, pedicle: protection
*spinous process, transverse process: movement
*articulating process: obstruction of movement
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What two bones contribute to the hard palate? What bone forms most of the hard palate?
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Maxilla (two thirds of hard palate) and palatine (one third of hard palate)
-maxilla
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What two bones make up the boney nasal septum?
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Ethmoid bone and vomer
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What two bones contribute to the cheekbone?
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Zygomatic bone (2)
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What are fontanels and what is their purpose?
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CT covering in between skull bones (soft spot)
-allow for flexibility during childbirth
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What fontanel takes the longest to close? At what age does this usually occur?
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Anterior Fontanel- usually 2 years
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Be able to classify every bone we diagram as either part of the axial or appendicular skeleton.
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Axial
skull
hyoid bone (swallowing)
vertebral column (spine)
thoracic cage (sternum and ribs)
* not clavicle and collar bone
Appendicular
Upper Limb
Lower Limb
Pectoral girdle (scapula and clavicle)
Pelvic girdle ( two coxae or hipbones)
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