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intercostal artery
(redirected from Intercostal arteries)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
intercostal artery
n.
1. An artery with origin in the costocervical trunk, with distribution to the structures of the first and second intercostal spaces, and with anastomoses to the intercostal branches of the internal thoracic artery; anterior intercostal artery.
2. Any of nine pairs of arteries arising from the thoracic aorta and distributed to the nine lower intercostal spaces, spinal column, spinal cord, and muscles and integument of the back, with anastomoses to the branches of the musculophrenic, internal thoracic, superior epigastric, subcostal, and lumbar arteries; posterior intercostal artery.


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11,21,22,24 To minimise cord infarction during open thoracotomy, segmental arteries should be divided close to their origins to enable collateral circulation through the internal mammary and intercostal arteries.
In both of these patients, the bleeding was coming from the chest wall, with the intercostal arteries being the most likely source.
The eighth and ninth intercostal arteries were found to be lacerated at their origins; their aortic ostia were closed and the distal arteries were ligated.
 
 
 
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