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Medical Bones

bones of body

Number of bones in body Adult: 206Children: 350
Axial Skeleton Skull, Spinal column, Ribs and sternum, and hyoid bone
Appendicular Skeleton extremities, pelvic and shoulder girdles
Functions of skeletal system frameworkprotectionProduction of blood cellsStorageLevers
hematopoiesis or hemopoiesis production of blood cells
Diaphysis long shaft
Epiphysis ends of bones
Skull Cranial and facial bones
Cranial bones 8 bonesFrontal2 Parietal2 TemporalOccipitalEthmoidSphenoid
Facial bones 14 bonesMandible2 Maxilla2 Zygomatic2 lacrimal5 nasal2 palatine
Sutures areas where the cranial bones have joined together
sinuses air spaces in the bones of skull that act as resonating chambers for the voice
foramina openings in the bones that allow nerves and blood vessels to enter or leave the bone
fontanels soft spots
Vertebrae 26 bones
Vertebrae functions protec spinal cordProvide support
Sections of vertebrae 7 cervical12 thoracic5 lumbarsacrum coccyx
intervertebral disks pads of cartilage tissueseparate the vertebrae shock absorbersallow bending and twisting
Ribs aka Costae 12 pairs
True ribs first 7 pairs
False ribs next 5 pairs
Floating ribs last 2 pairs
sternum breastbone
humerus upper arm
radius lower arm thumb
ulna lower arm pinky
carpels wrist 8
metacarpals palm 5
phalanges fingers 14
femur thigh
patella knee cap
tibia lower leg
fibula lower leg
tarsals ankle 7
calcaneous heel
metatarsals arch 5
phalanges toes 14
3 types of joints Diathrosis: freely movableAmphiarthrosis: slightly movableSynarthrosis: immovable
Created by: shawnshaji



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