Posterior spinal artery

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The posterior spinal artery (posterior spinal artery , referred to in animal anatomy as the dorsal spinal artery ) is an artery that supplies the spinal cord . In contrast to the anterior spinal artery , it is formed in pairs.

The main inflow takes place in the neck area via the vertebral artery , but it can also arise from the inferior posterior cerebellar artery . In addition, the vessel receives segmental inflows via the spinal cord branches ( rami spinales ) of the arteria cervicalis ascendens , arteria cervicalis profunda , arteriae intercostales posteriores and arteriae lumbales .

The two posterior spinal arteries supply the back third of the spinal cord and thus the posterior cord, the posterior column and the outer parts of the anterior and lateral cord.

Occlusion of the posterior spinal artery is a special form of spinal cord infarction and leads to the posterior spinal artery syndrome .

Individual evidence

  1. ↑ FCAT - Federative Committee on Anatomical Terminology: Terminologia Anatomica. Thieme, Stuttgart et al. 1998, ISBN 3-13-114361-4 .
  2. ^ World Association of Veterinary Anatomists - International Committee on Veterinary Gross Anatomical Nomenclature: Nomina Anatomica Veterinaria. 4th edition. International Committee on Veterinary Gross Anatomical Nomenclature et al., Zurich et al. 1994, ISBN 0-9600444-7-7 .

literature

  • Hans Frick, Helmut Leonhardt , Dietrich Starck : Special anatomy II. Guts - nervous system - systematics of muscles and ducts (= pocket textbook of the entire anatomy. Vol. 2). 4th, revised edition. Georg Thieme, Stuttgart et al. 1992, ISBN 3-13-356904-X , p. 267.
  • Uwe Gille: Cardiovascular and immune system, Angiologia. In: Franz-Viktor Salomon, Hans Geyer, Uwe Gille (Ed.): Anatomy for veterinary medicine. 2nd, revised and expanded edition. Enke, Stuttgart 2008, ISBN 978-3-8304-1075-1 , pp. 404-463.