Question

What is the difference between anatomical end arteries and functional end arteries?

What is the difference between anatomical end arteries and functional end arteries?

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Answer #1

Answer

Anatonomical end arteries

  • These type of arteries do not contain anastomoses or branching.
  • Anastomosis is a connection between blood vessels where an artery is branched into another vessel to help in supplying the organ when one vessel is blocked or occluded.
  • In anatomical end arteries, if the artery is blocked, the blood supply to the organs is completely compromised.
  • Example : Retinal artery


Functional end arteries

  • These type of arteries form a weak anastomoses with adjacent arteries that is not suffcient to compensate the blood supply if the one of them is blocked.
  • The anastomoses formed by these arteries is nonfunctional or poorly functioned.
  • Example : Coronary arteries
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