What is the anatomy and function of collecting veins in the deep venous system?

Updated: Jun 05, 2019
  • Author: Kaushal (Kevin) Patel, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Outflow from collecting veins is via secondary conduit veins that have thicker walls and are less distensible. Most of these veins are subfascial and are surrounded by tissues that are dense and tightly bound. These subfascial veins belong to the deep venous system, through which all venous blood must eventually pass through on its way back to the right atrium of the heart. The lower limb deep venous system is typically thought of as 2 separate systems, one below the knee and one above.


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