The best replacement for artery is vein.

The best alternatives to artery are rated as following:
★★★★★  vein
★★★  arteriole
★★  vein bigger
★★  capillary
★★  vein thicker
★★  vein histology
★  jugular vein
★  blood vessel
★  lymph node
★  vein definition
★  renal vein
★  vein structure
★  vein bleeding
★  pulmonary vein
★  veins
★  vessel
  aorta
  vein iv
  vein blood
  left carotid artery
  femoral vein
  vain
  coronary artery
  muscular artery
  hepatic vein
  venous
  carotid artery
  vien

Your alternative for artery is not listed? Suggest!
Speaking about artery, one probably shouldn't forget about axillary nerve.

Other search terms related to artery and their ratings are:
★★★★★ axillary nerve
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Google Trends

Scale is based on the average worldwide traffic of artery in all years. Click on graph for more.
artery
vein
arteriole