Median sacral crest

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Bone: Median sacral crest
Sacrum, dorsal surface.
Lateral surfaces of sacrum and coccyx.
Latin	crista sacralis mediana
Gray's	subject #24 107
Dorlands/Elsevier	c_62/12266834

In the middle line of the dorsal surface of the sacrum, it displays a crest, the median sacral crest, surmounted by three or four tubercles, the rudimentary spinous processes of the upper three or four sacral vertebrae.

[edit] Additional images

The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx.

[edit] External links

• Dictionary at eMedicine median+sacral+crest
• Atlas of anatomy at UMich back_bone30 - "The Back, Posterior View"
• Radiograph at webanatomy.com
• SUNY Labs 43:os-0115 - "The Female Pelvis: Sacrum"

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e Bones of torso

sternum: manubrium, body of sternum, xiphoid process, suprasternal notch rib: first rib, tenth rib, eleventh rib, twelfth rib, floating rib, false ribs, angle, tubercle, costal groove, neck, head general vertebral structures: body of vertebra, vertebral arch (pedicle, lamina, vertebral notch), foramina (vertebral, intervertebral), processes (transverse, articular, spinous) cervical vertebrae: C1 (anterior arch, posterior arch, lateral mass), C2 (dens), C7, anterior tubercle, posterior tubercle, foramen transversarium thoracic vertebrae: costal facets (superior, inferior, transverse) lumbar vertebrae: accessory process, mammillary process sacrum/coccyx: pelvic surface (anterior sacral foramina, dorsal surface (posterior sacral foramina, median sacral crest, medial sacral crest, lateral sacral crest), lateral surface, base, sacral hiatus