dorsal surface of sacrum

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dor·sal sur·face of sa·crum

the posterosuperior aspect of the sacrum marked by a median and two lateral sacral crests between which four dorsal sacral foramina are located on each side.
Synonym(s): facies dorsalis ossis sacri [TA]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
L3L: L3 lamina; L4L: L4 lamina; L5L: L5 lamina; DS: dorsal surface of sacrum.
The Z-shaped bracket was positioned with the upper wing on the dorsal surface of the posterior superior iliac spines and the lower wing close to the dorsal surface of sacrum. Some long cancellous screws were inserted through the holes of the upper and lower wings to secure the Z-shaped bracket on the ilium and sacrum, respectively.
Dorsal surface of sacrum showing non fusion of lamina of S1 and S2 with distinct disc space between S1 and S2, and presence of three distinct dorsal sacral foramina.
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