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Definition of capillary:

  1. A minute, thin- walled vessel; particularly one of the smallest blood vessels connecting arteries and veins, but used also for the smallest lymphatic and biliary vessels.
  2. A tube or vessel, extremely fine or minute.
  3. Pertaining to capillary tubes or vessels; as, capillary action.
  4. Resembling a hair; fine; minute; very slender; having minute tubes or interspaces; having very small bore; as, the capillary vessels of animals and plants.


narrow, capillary tubing, aorta, anticoagulant, hairlike, capillary tube, atheroma, ABO system, atrium, B, beat, bleeding, thin, A, slender, capillary vessel, artery.

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