long bone

noun

Definition of long bone

: any of the elongated bones supporting a vertebrate limb and consisting of an essentially cylindrical shaft that contains bone marrow and ends in enlarged heads for articulation with other bones — compare diaphysis, epiphysis

First Known Use of long bone

1697, in the meaning defined above

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The first known use of long bone was in 1697

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long bone

noun

Medical Definition of long bone

: any of the elongated bones supporting a vertebrate limb and consisting of an essentially cylindrical shaft that contains bone marrow and ends in enlarged heads for articulation with other bones

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