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46 Cards in this Set
- Front
- Back
2 Divisions of the skeletal system
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Axial
Appendicular |
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skull, ribs, backbone-vertebrae 80 bones
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Axial
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Bones of free appendages, bones of pelvic and pectoral girdles, 126 bones
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Appendicular
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Contains 22 bones, 8 cranial;14 facial bones
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skull
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Seam or stitch, immovable joint foun only between skull bones
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suture
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between frontal and parieteal bones
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coronal suture
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between parietal bones
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sagittal
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between parietal and occipital bones
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lamboidal suture
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between parietal and temporal bones
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squamosal suture
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soft spots that allow skull to be compressed during birth; bembrane filled spaces between cranial bones
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fontanel
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forms the forehead
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frontal bone
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swelling and discoloration from bruising of skin over ridge of the frontal sinus
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black eye
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2 bones forming greater portion of the roof of the cranial cavity; just underneath lies hte duramater (brain covering)
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parietal bones
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2 bones forming inferior sides of the cranium and part of the cranial floor
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temporal bones
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forms the posterior part and a large portion of the base of the cranium
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occipital bone
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hole through occipital bone where spinal cord enters cranial cavity
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foramen magnum
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middle part of the base of the skull
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sphenoid bone
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optic nerve passing though sphenoid
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optic foramen
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light spongy bone between orbits
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ethmoid bone
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fuse in middle to form nose bridge
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nasal bone
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paired bones that unite to form upper jawbone
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maxillae
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maxillae fail to unite before birth
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cleft palate
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split in the upper lip
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cleft lip
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cheek bones
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zygomatic bones
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lower jawbone; largest and strongest and only moveable bone in the skull
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mandible
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supports the tongue, does not articulate with any other bone
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hyoid bone
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Vertebral column numbers
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1-Atlas
1-Axis 7-cervial vertebrae (neck) 12-Thoracic Vertebare (middle back) 5-Lumbar vertebare (lower back) 1-sacral vertebrae 1-Coccygeal vertebrae (coccyx) |
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Hyaline cartilage attaching ribs to sternum
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costal cartilage
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true ribs
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1st-7th ribs
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false ribs
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8th-12th ribs
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false ribs and floating ribs only attached posteriorly to thoracic vertebrae
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11th and 12th
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groove in the inner surface of the rib that protects blood vessels and nerve
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costal groove
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lateral bending of the vertebral column usually thoracic region
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scoliosis
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exaggeration of the thoracic curve of the vertebral column, tb, age rickets,
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Kyphosis
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exaggeration of the lumbar curve of the vertebral column
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Lordosis
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laminae fail to unite at the midline lumbar vertebrae usually
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spina binfida
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fibrocartilage ruptures under pressure and protrudes posteriorly (slipped) or into vertebral body (Herniated)
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Herniated (slipped) disc
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needle into bone to get red bone marrow sample-sternum
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marrow biopsy
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rounded bump; usually fits into a fossa on another bone, forminga joint
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condyle
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moderately raised ridge; generally a site for muscle attachment
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crest
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flat surface that forms a joint with another facet or flat bone
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facet
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round hole for vessels and nerves
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forament
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deppression; often receives an articulating bone
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fossa
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tubelike opening or channel
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meatus
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a raised area or projection
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process
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large bump for muscle attachment
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trochanter
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