How does the lymphatic system differ in structure from the veins?

1 Answer
Notar Victor · Stefan V.
Feb 17, 2018

permiability of the lymphatic vessels compared to the blood vessels

Explanation:

I know it sounds like a physiologic difference, but the bonus permeability that the lymphatic system possesses lies in the structure of the lymphatic veins. They have some uni-directional openings that allow them to collect interstitial fluid, including proteins that got out of the blood vessels due to osmotic pressure
( they can't get back in the blood vessels due to their huge molecule size )

https://depositphotos.com/19644147/stock-illustration-lymphatic-vessel.html

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