What Do Fenestrated Capillaries Do?

Fenestrated capillaries
They contain small pores, in addition to small gaps between cells, in their walls that allow for the exchange of larger molecules. This type of capillary is found in areas that require a lot of exchange between your blood and tissues.

What can pass through fenestrated capillaries?

Glucose, ions, and larger molecules may also leave the blood through intercellular clefts. Larger molecules can pass through the pores of fenestrated capillaries, and even large plasma proteins can pass through the great gaps in the sinusoids.

What are fenestrated capillaries and where are they found in the body?

Fenestrated: These capillaries have small pores that allow small molecules through and are located in the intestines, kidneys, and endocrine glands. ... They are present in the bone marrow, lymph nodes, and the spleen, and are, in essence, the "leakiest" of the capillaries. 4

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.