Monday 8 July 2013

Do epithelial tissues contain blood vessels?





Epithelial tissues are avascular, meaning they do not contain blood vessels. Oxygen and other nutrients diffuse through the permeable basement membranes from capillaries in the underlying connective tissue, while wastes diffuse into connective tissue capillaries.
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1 comment:

  1. Unknown14 February 2019 at 07:58

    Is epithelial tissues avascular due to the cells fit close together tight?

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