Having windows or window-like openings; characterized by the presence of multiple fenestrae or holes.
Past participle of 'fenestrate'; describes something that has already been given windows or openings, used in medical and biological terminology.
Fenestrated capillaries are blood vessels with tiny holes in them that let nutrients leak out to nourish your muscles and organs—without these 'windows' in your blood vessels, your cells would starve!
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