long bone

Noun
  1. In limbs of vertebrate animals: a long cylindrical bone that contains marrow (synset 105283150)
    is a type of: bone, os - rigid connective tissue that makes up the skeleton of vertebrates
    subtypes:
    • epiphysis - the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused
    • diaphysis, shaft - the main (mid) section of a long bone
    • arm bone - a bone in the arm
    • leg bone - a bone of the leg
    has:
    • endosteum - vascular membrane that lines the inner surface of long bones
    • metaphysis - the growing part of a long bone between the diaphysis and the epiphysis
    same as: os longum

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