Anatomy of spinal blood supply

Amato, Alexandre Campos Moraes; Stolf, Noedir Antônio Groppo

doi:10.1590/1677-5449.0004

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Review Article • J. vasc. bras. 14 (3) • Jul-Sep 2015 • https://doi.org/10.1590/1677-5449.0004 linkcopy

Anatomy of spinal blood supply

Authorship SCIMAGO INSTITUTIONS RANKINGS

The intricate three-dimensional vascular anatomy of the spinal cord is still not completely understood, and its terminology varies between studies. In view of its importance in spinal ischemia, an analysis is needed of the anatomic vocabulary used to describe the spinal cord blood supply to improve understanding of the subject. The main supply is the Adamkiewicz artery, also known as great anterior radicular artery. The literature was reviewed to equate the different nomenclatures employed and an accurate description of current knowledge on spinal cord vascularization was prepared.

Keywords:
spinal cord; anatomy; spine; aorta

Most frequent	Synonyms	Portuguese term adopted
Aorta	Aorta	Aorta
Segmental Arteries	Segmental a.,¹⁰ segmental posterior intercostal a.,⁹^,¹¹radicular a.¹² aa. intercostales, intercostal a.¹³ aa. lumbales	Artérias segmentares AA. intercostais posteriores (TA) lombares
Vertebral branch	vertebral branch,⁹ ventral branch,¹¹dural a.,¹² anterior branch,¹³^,¹⁴ anterior ramus, muscular branch¹⁵	Ramo vertebral
Dorsal branch	dorsal branch,¹¹ muscular branch,¹⁴^,¹⁶branches to erector spinae and intercostal muscle,¹⁷ dorsal somatic branch¹⁵	Ramo dorsal (TA)
Radiculomedullary artery	Dorsal ramus intercostal a.,¹² nervomedullary a.,⁷^,⁹^,¹¹spinal branch,¹¹ radicular a.,¹² radicular medullary dural a.,¹⁸ radiculomedullary a.,¹³^,¹⁴^,¹⁶ramo espinhal,¹⁹ posterior ramus	Ramo espinhal (TA)
anterior radicular artery	anterior radicular a.,⁹^,¹⁰^,²⁰medullary a.,¹² anterior medullary a.,¹⁸ anterior radiculomedullary aa.,¹⁶^,¹⁷ a. radicular anterior,¹⁹ anterior spinal canal a., segmental a.²¹	Ramo radicular anterior (TA)
Posterior branch of the radicular artery	posterior radicular a.,⁹^,¹⁰^,²⁰medullary a.,¹² posterior medullary a.,¹⁸ posterior radiculomedullary aa.,¹⁶ a. radicular posterior,¹⁹ posterior segmental medullary a.²²	Ramo radicular posterior (TA)
Posterolateral spinal artery	posterolateral spinal aa.,⁹^,¹⁸posterior spinal aa.,¹²^,¹⁶ posterior pial arterilar plexus,¹⁰ aa. espinhais posteriores¹⁹	Artéria espinhal posterolateral
Anterior spinal artery	a. spinalis anterior;⁵^,⁶anterior spinal a.,¹²^-¹⁴^,¹⁸ anterior median spinal a.,¹⁰ anterior long spinal a.	Artéria espinhal anterior (TA)
Artery of Adamkiewicz	a. radicularis magna, great(er) radicular a., anterior great(er) radicular a., lumbar enlargement a., anterior radiculomedullary a., major radicular a., dominant radiculomedullary a., e outros.⁹^,¹¹^,²³	Artéria de Adamkiewicz*
Lumbar arteries	aa. lumbales	Artérias lombares (TA)
Intercostal arteries	aa. intercostales, intercostal a.¹³	Artérias intercostais posteriores (TA)
Sulcal arteries	a. sulci,⁵^,⁶sulcal a.,¹⁰^,¹¹ aa. sulcais,¹⁹ medial medullary branch,²² sulco-commissural a.²¹	Artérias sulcais
Pial plexus	pial plexus¹⁸	Plexo pial**

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[1] TA: Term adapted from the Brazilian Anatomic Society's reference work Anatomic Terminology.²⁴

[TFN100] ^*
Eponym adopted in view of frequent use in the literature.²³

[TFN200] ^**
Term not included in Anatomic Terminology.