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20 Cards in this Set
- Front
- Back
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smallest of the vertebrae large vertebral foramen costal processes with transverse foramina notched spinous processes ex. atlas, axis, and vertebra prominens |
Cervical vertebrae |
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Holds up the head |
Atlas |
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it lacks a body or spinous process has semicurcular anterior and posterior vertebral arches each has anterior and posterior tubercles |
Atlas |
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has dens or odontoid process forms a pivot for rotation of atlas and skull |
Axis |
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the border between the cervical curve and the thoracic curve
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vertebral prominens aka C7
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*distinctive heart-shaped bodies *long, slender spinous processes *articulations for the ribs |
Thoracic Vertebrae |
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Largest Oval shaped bodies stumpy spinous processes project dorsally least mobile inferior articular processes face "down and out" greatest strains |
Lumbar vertebrae |
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Five fused sacral vertebrae provides area for attachment of muscles that will move the thigh protects reproductive, digestive, and urinary organs articulates with the pelvic girdle and with tthe fused elements of the coccyx |
Sacrum |
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3-5 fused coccygeal vertebrae attachment site for many ligaments muscles |
Coccyx |
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consists of the thoracic vertebrae, the ribs and the sternum. The ribs and sternum form the rib cage |
The Thoracic Cage |
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Protect the heart, lungs, thymus and other structures in the thoracic cavity |
Functions of the thoracic cage |
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Attachment site for muscles used in respiration, positioning of the vertebral column, and movements of pectoral girdle and upper extremity. functions of,
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functions of the thoracic cage
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originate on or between thoracic vertebrae end in the wall of the thoracic cavity |
The ribs or costae
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Ribs 1-7 are called |
true ribs (vertebrosternal ribs) because they connect to the sternum |
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Ribs 8-10 are called |
false ribs-they do not connect directly to the sternum; they include the vertebronchondral ribs |
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Ribs 11-12 are called |
floating ribs- they do not connect to the sternum |
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The ribs are mobile, movements of the ribs and |
affect the width and depth of the thoracic cage-increases or decreases the thoracic volume; important in breathing |
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penetrate the thoracic wall to drain fluids |
Thoracentensis |
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consists of a manubrium, a body, and a xiphoid process. |
The sternum |
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When doing CPR, if you put your hands in the wrong place you |
could break ribs or the xiphoid process |
