extends_fibers_into
spinal nerve
sacral spinal cord
sacral nerve
http://upload.wikimedia.org/wikipedia/commons/d/d1/Gray802.png
NCIT:C33505
sacral spinal nerve
UMLS:C0228922
nervi sacrales
FMA:5862
The five sacral nerves emerge from the sacrum. Although the vertebral components of the sacrum are fused into a single bone, the sacral vertebrae are still used to number the sacral nerves. Posteriorly, they emerge from the posterior sacral foramina, and form the posterior branches of sacral nerves. Anteriorly, they emerge from the anterior sacral foramina, and contribute to the sacral plexus (S1-S4) and coccygeal plexus.
UBERON:0009625
uberon
nervus sacralis