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msk anatomy

fractured surgical neck of humerus axillary
dislocation of humeral head axillary
fracture at midshaft of humerous radial
saturday night palsy (extended compression of axilla by back of chair or crutches) radial
frature of supracondylar humerous median
patient cannot extend their ring finger (digit 4) or their little finger (digit 5) ulner nerve lesion with LOF of lumbricals 3 and 4
patient has muscle wasting between the thumb and index finger and cannot spread their fingers ulnar nerve lesion with loss of interosseous muscle function
patient cannot adduct their thumb ulnar nerve lesion with loss of function of adductor pollicis
patient cannot pronate their forarm median nerve lesion with loss of function of pronator quadratus
fracture of medial epicondyle of humerous ulnar
fracture of hamate ulnar
opposition of thumb median
thumb adduction ulnar
adduction and abduction of fingers interossei
osteoblast source of endochondral ossification mesenchymal stem cells in periosteum
endochondral ossification cartilaginous model of bone is first made by chondrocytes
woven bone formed directly without cartilage membranous ossification
flat bone growth membranous ossifciationl
endochondralll longitduinal bone growth
constitutive activation of fibroblast growth factor receptor inhibits chondrocyte to proliferate -> inhibits chondrocyte proliferation
> 85% of mutations occur sporadically and are associated with advanced paternal age, but condition also AD achondroplasia
trabecular spongy bone loses mass and interconnections osteoporosis
normal bone lab values osteoporosis, osteopetrosis
failure of normal bone resorption -> thickenined, dense bones prone to fractuer osteopetrosis
primary spongeiosa fills medullary cavity leading to? decreased marrow space -> anemia, thrombocytopenia, infection
increased extramedullary hematopoiesis related to which bone disease? osteopetrosis
genetic deficiency of carbonic anhydrase II osteopetrosis
x-ray shows erlenmeyer flast bones that flare out
Created by: ilovemusic007



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