sacrum

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sacrum

 [sa´krum]
the triangular bone at the base of the spine formed by usually five fused vertebrae wedged dorsally between the two hip bones. See Appendix 3-3.

sa·crum

, pl.

sa·cra

(sā'krŭm, sā'kră), [TA]
The segment of the vertebral column forming part of the pelvis; a broad, slightly curved, spade-shaped bone, thick above, thinner below, closing in the pelvic girdle posteriorly; it is formed by the fusion of five originally separate sacral vertebrae; it articulates with the last lumbar vertebra, the coccyx, and the hip bone on either side.
[L. (lit. sacred bone), neuter of sacer (sacr-), sacred]

sacrum

/sa·crum/ (sa´krum) [L.] the triangular bone just below the lumbar vertebrae, formed usually by five fused vertebrae and lodged dorsally between the hip bones.
scimitar sacrum  a congenitally deformed sacrum resembling a scimitar, usually accompanied by other defects such as anorectal or neural anomalies.

sacrum

(sā′krəm, săk′rəm)
n. pl. sacra (sā′krə, săk′rə)
A triangular bone made up of five fused vertebrae and forming the posterior section of the pelvis.

sacrum

[sā′krəm, sak′rəm]
Etymology: L, sacer, sacred
the large, triangular bone at the dorsal part of the pelvis, inserted like a wedge between the two hip bones. The base of the sacrum articulates with the last lumbar vertebra, and its apex articulates with the coccyx. Various muscles attach to its spinal crest. The sacrum is shorter and wider in women than in men. sacral, adj.
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Sacrum

sa·crum

, pl. sacra (sā'krŭm, -kră) [TA]
The segment of the vertebral column forming part of the pelvis; a broad, slightly curved, spade-shaped bone, thick above, thinner below, closing in the pelvic girdle posteriorly; it is formed by the fusion of five originally separate sacral vertebrae; it articulates with the last lumbar vertebra, the coccyx, and the hip bone on either side.
[L. (lit. sacred bone), neuter of sacer (sacr-), sacred]
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SACRUM AND COCCYX: (ANTERIOR VIEW)

sacrum

(sa'krum) [L., sacred]
The triangular bone situated dorsal and caudal from the two ilia between the fifth lumbar vertebra and the coccyx. It is formed of five united vertebrae and is wedged between the two innominate bones, its articulations forming the sacroiliac joints. It is the base of the vertebral column and, with the coccyx, forms the posterior boundary of the true pelvis. The male sacrum is narrower and more curved than the female sacrum.
Synonym: sacral bone See: illustration

sacrum

The large, triangular, wedge-like bone that forms the centre of the back of the PELVIS and the lower part of the vertebral column. The sacrum consists of five fused, broad vertebrae and terminates in the tail-like COCCYX.

sacrum

the collection of fused sacral vertebrae attached to the PELVIC GIRDLE.

Sacrum

The triangle-shaped bone located between the fifth lumbar vertebra and the coccyx that consists of five vertebrae fused together. The sacrum joins on each side with the bones of the pelvis.

os sacrum

; sacrum vertebral column segment forming part of the pelvis and closing the posterior portion of the two halves of the pelvic girdle; formed from fusion of five sacral vertebrae (S1-S5); articulates superiorly with fifth lumbar vertebra (L5), inferiorly with the coccyx, and laterally with hip bones

sacrum,

n triangular bone at the base of the spine.
sacrum, posterior,
n condition in which backward rotation of the sacrum and side-bending to the side opposite the rotation have occurred. Resulting tissue changes may be located at the lower pole on the rotated side.
sacrum, posterior translated,
n condition in which the whole sacrum has moved backward between the ilia. Forward motion is restricted, and backward motion is freer.

sacrum

the triangular-shaped bone between the lumbar and coccygeal vertebrae; formed usually by five fused vertebrae (four in pigs, three in dogs) that are wedged dorsally between the two hip bones. See also Table 10.
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WHAT'S NEXT: An ever-constant flow of music videos, the premiere of work with Sacred Bones Records at a SXSW 2012 Film & Music crossover event; a DVD of the Australian Outback nightmare film Twelve Dark Noons, a psychedelic apocalypse film in twelve chapters, featuring Naked On The Vague and a Clock Of 12's; and then maybe a project or two longer than five minutes.
In his Treatise on Relics (1543), John Calvin asserted that if one could collect and compare all the sacred bones in all the churches of Christendom, 'It would then be seen that every apostle had more than four bodies and each saint at least two or three.
In Fast's hands, the modern American funeral business is the object of extended comparison with the culture at large, analogous to the cult of sacred bones in medieval European reliquaries.