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Cards In This Set
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Functions of Axial Skeleton
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Support and Protect organs in body cavities. Attaches to muscles of the head, neck, trunk, respiration, appendicular skeleton
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Skull protects
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Brain. entrance of respiratory system. entrace of digestive system
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Cranial bones
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Frontal
occipital sphenoid ethmoid temporal (2) parietal (2) |
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Facial bones
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Maxillae (2), palatine bones (2), nasal bones (2), vomer, inferior nasal conchae (2), zygomatic bones (2), lacrimal bones (2), mandible (1)
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Function of occiptal bone
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Forms the posterior and inferir surfaces of the cranium
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Occipital bones articulate with
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Parietal bone, temporal bones, sphenoid, first cervical vertebra (atlas)
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A small bump at the midline on the inferior surface
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External occipital protuberance
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Begins at the externall occiptal protuberance. marks the attachment of a ligament that helps stabilize the vertebrae of the neck.
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external occipital crest
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Site of articulation between the skull and the first vertebra of the neck
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Occipital condyles
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Ridges that intersect the occiptal crest. mark attachment sites of muscles and ligament that stabiliza the articulation at the occipital condyles and balance the weight of the head over the vertebrae of the neck
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Inferior/superior nuchal
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Connects the cranial cavity with the vertebral canal. surround the connection between the brain and the spinal cord
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Foramen magnum
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Lies between the occipital bone and the temporal bone and carries jugular vein
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Jugular foramen
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The vein that passes through the jugular forament and carries venous blood from the brain
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Internal jugular vein
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Function of frontal bone
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Forms the anterior cranium and upper eye sockets. contains frontal sinuses.
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Articulations of the frontal bone
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Parietal bone, nasal, maxilla, lacrimal, ethmoid, maxillary, metopic suture, zygomatic bones
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