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Sacrum Definition

Other Sacrum Definition

[n] wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx

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Misc. Definitions

\Sa"crum\, n.; pl. {sacra}. [NL., fr. L. sacer sacred, os sacrum the lowest bone of the spine.] (Anat.) That part of the vertebral column which is directly connected with, or forms a part of, the pelvis. Note: It may consist of a single vertebra or of several more or less consolidated. In man it forms the dorsal, or posterior, wall of the pelvis, and consists of five united vertebr[ae], which diminish in size very rapidly to the posterior extremity, which bears the coccyx.

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