segmental medullary artery

{{Infobox artery

| Name = Segmental medullary artery

| Latin = arteria medullaris segmentalis

| Image = Gray770-vessels.png

| Caption = 1: Posterior spinal vein
2: Anterior spinal vein
3: Posterolateral spinal vein
4: Radicular (or segmental medullary) vein
5: Posterior spinal arteries
6: Anterior spinal artery
7: Radicular artery

| Image2 =

| Caption2 =

| BranchFrom =

| BranchTo = Anterior spinal artery

| Vein =

| Supplies =

}}

Segmental medullary arteries are arteries of varying size in the thoracolumbar region that arise from segmental arteries of this region (posterior intercostal arteries or lumbar arteries) and pass through intervertebral foramina to supply the spinal cord.{{Cite book |title=Sobotta Anatomy Textbook: English Edition with Latin Nomenclature |date= |publisher=Elsevier |year=2018 |isbn=978-0-7020-6760-0 |editor-last=Waschke |editor-first=Jens |edition=1st |location=München |pages=623 |editor-last2=Böckers |editor-first2=Tobias M. |editor-last3=Paulsen |editor-first3=Friedrich |editor-last4=Arnold |editor-first4=Wolfgang |editor-last5=Bechmann |editor-first5=Ingo}} They may join the anterior spinal artery.{{cite journal |author=Huntoon MA |year=2005 |title=Anatomy of the cervical intervertebral foramina: vulnerable arteries and ischemic neurologic injuries after transforaminal epidural injections |journal=Pain |volume=117 |issue=1–2 |pages=104–11 |doi=10.1016/j.pain.2005.05.030 |pmid=16055268}}

The largest anterior segmental medullary artery is known as the artery of Adamkiewicz.{{Citation needed|date=August 2023}}