VC : General Characteristics of the Bone | Vertebrae of VC | TC : General Characteristics | TC : Ribs |
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transmit weight of trunk to lower limbs, surround and protect spinal cord, provide attachment points for ribs and muscles
What is the function(s) or the vertebral column
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the little stick-out part of vertebrae
What is a process(es)
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thoracic vertebrae (posteriorly), sternum and costal cartilages (anteriorly), ribs (laterally)
What is the thoracic cage composed of?
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12
How many pairs of ribs form the sides of the thoracic cage?
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33 irregular bones calles vertebrae
How many bones are in the vertebral column? What are they called?
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cervical
Which region has the smallest vertebrae
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protects vital organs or thoracic cavity, supports shoulder girdles and upper limbs, provides attachment sites for muscles of neck, back, chest and shoulders
What are the three functions of the thoracic cage?
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attach directly to sternum by individual costal cartilages, vertebrosternal
What is a 'true' rib? What is another name for them?
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5, cervical, thoracic, lumbar, sacrum, coccyx
How many regions does the vertebral column have? What are they?
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atlas = 'yes' motion of head, "carries" skull
axis = 'no' motion of head
What is the head movement for the atlas (C1) and axis (C2)?
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breastbone, manubrium (superior), body (mid-portion), xiphoid process (inferior end - site of muscle attachment)
What is the sternum? What are the three bones it is composed of?
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attach indirectly to sternum by joining costal cartilage of rib above, vertebrochondral
What is a 'false' rib? What is another name for them?
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cervical (7) , thoracic (12), lumbar (5) , sacrum (one bone formed from fusion of 5 vertebrae fused together) , coccyx (usually 3-5 vertebrae fused)
How many vertebrae are in each region of the vertebral column?
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lumbar (lower back), the bodies of vertebrae are larger
Which vertebrae receives the most stress? What is different about it to deal with this stress?
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the central indentation in superior border of manubrium (top indent on sternum)
What is the jugular notch? (sternum)
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rib with no attachment to the sternum, floating
What is a vertebral rib? What is another name for it?
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starting at the top : cervical, thoracic, lumbar, sacrum, coccyx
Where is each vertebral region located?
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body, vertebral arch (two pedicles, two laminae), vertebral foramen, vertebral canal, intervertebral foramina
What are the five structures in vertebrae?
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horizontal ridge across front of sternum
What is the sternal angle (sternum)?
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shaft, head, neck, tubercle
What are the four main parts of a rib?
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