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30 Cards in this Set
- Front
- Back
The round end of the lower jaw |
the condyle |
|
Muscle of protrusion |
Lateral pterygoid |
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Muscle of Retraction |
posterior fibers of temporalis, deep part of masseter |
|
Muscle of Elevation |
temporalis, masseter, medial pterygoid |
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Muscle of depressoin |
digastric, geniohyoid, and mylohyoid muscles, +gravity |
|
Carnivores have a large ______ and a small _______ |
Temporalis, masseter |
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Herbivores have a very large _____ and a small ______ |
masseter, temporalis |
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"shaft" of a bone |
diaphysis |
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ends of a bone |
epiphyses |
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hollow cavity filled with yellow marrow |
medullary cavity |
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the three membranes of long bone |
periosteum, perforating collagen fiber bundles (sharpeys fibers), endosteum |
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Internal spongy bone of flat bones |
diploë |
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Osteons contain: |
Lamellae, central canal, perforating canals, canaliculi, and the collagen fibers run in different directions |
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spongy bone has... |
trabeculae, contain layers of lamellae and osteocytes, no osteons |
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fracture into three or more pieces |
comminuted |
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bone is crushed |
compression |
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excessive twisting force |
spiral |
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breaks growth plate |
epiphyseal |
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broken bone pressed inward |
depressed |
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bone breaks incompletely |
greenstick |
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sections of spine |
Cervical 7, thoracic 12, lumbar 5, sacral 5 |
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characteristics of cervical vertebrae |
bifid spinous process, bifid transverse process, transverse foramen, 45 degrees |
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characteristics of thoracic vertebrae |
rib facets, spinous process projects inferiorly, 60 degrees |
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characterisitcs of lumbar vertebrae |
short spinous process, projects posteriorly, large vertebral body, 90 degrees |
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places where vertebrae touch |
superior and inferior articular processes |
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Anterior facing curve |
Lordosis |
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Posterior facing curve |
Kyphosis |
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Anterior pelvic tilt, low back forward, excessive upper back curvature, head forward |
Kyphotic-Lordotic Posture |
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Posterior pelvic tilt, hip joints extend, low back flattened, head slightly forward |
Flat-back posture |
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posterior pelvic tilt, head forward, hip joints hyperextended |
Sway-back posture |