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25 Cards in this Set
- Front
- Back
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what are the 2 parts of the skull? |
neurocranium - braincase - 2 paired bones viscerocranium - facial bones - 2 unpaired bones |
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what is the supraorbital margin? |
thickened area above the orbit (eye hole) that provides strength and stucture |
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where is the mastoid process? |
in the temporal bone, behind the ear |
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what is the styloid process? |
part of the temporal bone that attaches to muscles of the neck and tongue |
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what does the sphenoid bone look like? what is its purpose? |
bat/butterfly shaped protects the pituitary gland |
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what makes up the zygomatic arch? |
the zygomatic process of the temporal bone and the temporal process of the zygomatic bone |
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what is the maxilla? |
the upper jaw bone |
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what is the mandible? |
the lower jaw bone; only moveable bone in the skull |
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what is the alveolar process? |
pockets in the maxilla and mandible for teeth |
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what bone makes up the bottom portion of the septum? top portion? |
bottom - vomer top - ethmoid bone |
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what forms the hard palate? |
palantine process of maxillary bone and horizontal plate of palatine bone |
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what is the external occipital protuberance? |
the attachment point for neck muscles and the nuchal ligament on the occipital bone |
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what is the foramen magnum? |
the whole where the brainstem connects to the spinal cord |
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what bone allows you to nod yes? |
occipital condyle |
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what bones make up the orbit? |
frontal bone ethmoid bone lacrimal bone maxilla sphenoid bone zygomatic bone palatine bone |
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what is the only floating bone in the body? |
hyoid bone under mandible |
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what regions of the vertebral column are formed from fused bones? |
sacral bone is 5 fused bones coccyx is 4-6 fused bones |
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what are intervertebral disks? |
rounded disk-like fibrocartilage pads b/w bodies of vertebrae
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what are the 2 components of intervertebral disks? |
annulus fibrosis - outer component; fibrocartilage nucleus pulposus - inner component; gelatinous |
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what makes up the thoracic cage? |
thoracic vertebrae ribs costal cartilage sternum |
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what is the difference b/w true and false ribs? |
- true ribs are physically connected to sternum - false ribs dont directly contact the sternum - 3 attach via cartilage and 2 are floating |
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what are the 3 parts of the sternum? |
top - manubrium - articulates with clavicle middle - body bottom - xiphoid process - hyaline cartilage |
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what is the jugular notch? |
where the manubrium of the sternum joins with the body of the sternum |
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what ribs are considered true ribs? |
the first 7 |
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what ribs are false ribs attached via cartilage? which are floating? |
ribs 8-10 are false ribs attached by cartilage ribs 11 and 12 are floating ribs |
