Anterior sacral foramina
Foramina sacralia anteriora
- Latin synonym: Foramina pelvica ossis sacri
Definition
At the ends of the transverse ridges 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 sacral nerves and entrance to the lateral sacral arteries.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
![Anterior sacral foramina - Radiography spine - Lumbar vertebrae [LI-LV] - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/rachis-radios/images/v1/337bf9f232cfda5f93aa1055a9f082ba76f6be33cd7782b5e747018ef9aaa2b4?ar=640:670&auto=format,compress&bg=000000&fit=crop&p64=MTMxLDQzNA&t=QW50ZXJpb3Igc2FjcmFsIGZvcmFtaW5h&tx=131&ty=434&w=200&wk=1&s=d514b3b072737ae235e6b3686b4c5939 "Anterior sacral foramina - Radiography spine - Lumbar vertebrae [LI-LV] - e-Anatomy")
