Sacral foramen
Encyclopedia
Sacral foramen can refer to:
- Posterior sacral foraminaPosterior sacral foraminaLateral to the articular processes of the sacrum are the four posterior sacral foramina ; they are smaller in size and less regular in form than the anterior, and transmit the posterior divisions of the sacral nerves....
- Anterior sacral foraminaAnterior sacral foraminaAt the ends of the transverse ridges of the pelvic surface of the sacrum are seen the anterior sacral foramina , four in number on either side, somewhat rounded in form, diminishing in size from above downward, and directed lateralward and forward.They give exit to the anterior divisions of the...