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urosacral

adjective
uro·​sacral | \"+\

Definition of urosacral 

: of or being the caudal and sacral parts of the vertebral column specifically : of, relating to, or being the anterior caudal vertebrae of a bird that is consolidated with the true sacral vertebrae and pelvic bones

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History and Etymology for urosacral

ur- entry 2 + sacral

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