spinal branch of dorsal branch of posterior intercostal artery

prelaminar branch of spinal branch of dorsal branch of posterior intercostal artery

[TA] origin: spinal artery in intervertebral foramen; distribution: to anterior surface of laminae and ligamenta flava of thoracic vertebrae and the anterior aspects of the zygapophysial joints. Synonym(s): ramus prelaminaris rami spinalis rami dorsalis arteriae intercostalis posterioris [TA]