sacral canal n.
The continuation of the vertebral canal in the sacrum.
- Sacral crest
sacral crest n. Any of five rough irregular ridges on the posterior surface of the sacrum.
- Sacral flexure
sacral flexure n. See caudal flexure.
- Sacral foramen
sacral foramen n. Any of the openings between the fused vertebrae of the sacrum transmitting the sacral nerves.
- Sacral ganglion
sacral ganglion n. Any of three or four ganglions on either side that constitute the pelvic portion of the sympathetic trunk with the coccygeal ganglion and the connecting cords.