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posterior intercostal artery (thoracic, 3-11)
One of 9 pairs of arteries.
Origin: thoracic aorta
Distribution:
1) structures of 9 lower intercostal spaces
2) vertebral column
3) spinal cord
4) muscles & skin of back
Anastomoses:
1) branches of musculophrenic artery
2) internal thoracic artery
3) superior epigastric artery
4) subcostal artery
5) lumbar arteries
General
blood vessel
Properties
FORM: posterior intercostal artery (thoracic, 3-11)
ORIGIN: aorta
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
Components
intima; tunica intima
tunica media
vascular endothelium