Segmental medullary artery

Segmental medullary artery
	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
Details
Branches	Anterior spinal artery
Identifiers
Latin	Arteria medullaris segmentalis
TA	A12.2.11.016; A12.2.08.007; A12.2.12.007
FMA	86039
	Anatomical terminology;

Each segmental medullary artery is a branch of the cervical part of the vertebral artery.[1] These small branches penetrate into the vertebral bone through small openings such as the intervertebral foramina. These segmental arteries provide blood flow to the surface and inside the spinal canal at each segmental level.

The largest anterior segmental medullary artery is also known as the artery of Adamkiewicz.

They can join the anterior spinal artery.[2]

The existence of a great posterior radiculomedullary artery has recently been confirmed by Mexican neuroanatomist Dr. Victor Hugo Pérez Pérez.[3]

Gallery

Great Posterior Radiculomedullary Artery as seen in the posterior surface of the spinal cord

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References

Federative Committee on Anatomical Termi (1998). Terminologia Anatomica: International Anatomical Terminology. Thieme Stuttgart. ISBN 3-13-114361-4.
Huntoon MA (2005). "Anatomy of the cervical intervertebral foramina: vulnerable arteries and ischemic neurologic injuries after transforaminal epidural injections". Pain. 117 (1–2): 104–11. doi:10.1016/j.pain.2005.05.030. PMID 16055268.
Pérez-Pérez, VH; Hernesniemi, J; Small, JE (November 2019). "Anatomy of the Great Posterior Radiculomedullary Artery". AJNR Am J Neuroradiol. 40: xx. doi:10.3174/ajnr.A6304. PMID 31753838.

Great Posterior Radiculomedullary Artery seen after rootlets are reclined

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[isbn3-13-114361-4-1] Federative Committee on Anatomical Termi (1998). Terminologia Anatomica: International Anatomical Terminology. Thieme Stuttgart. ISBN 3-13-114361-4.

[pmid16055268-2] Huntoon MA (2005). "Anatomy of the cervical intervertebral foramina: vulnerable arteries and ischemic neurologic injuries after transforaminal epidural injections". Pain. 117 (1–2): 104–11. doi:10.1016/j.pain.2005.05.030. PMID 16055268.

[3] Pérez-Pérez, VH; Hernesniemi, J; Small, JE (November 2019). "Anatomy of the Great Posterior Radiculomedullary Artery". AJNR Am J Neuroradiol. 40: xx. doi:10.3174/ajnr.A6304. PMID 31753838.