The epithelium which covers the intestinal villi is composed of absorptive cells, goblet cells, a few endocrine cells and tuft or calveolated cells. The goblet and endocrine cells closely resemble those found in the crypts. The tuft or calveolated cells are characterized by long, broad apical microvilli and an intra-cytoplasmic system of tubules and vesicles. These cells are uncommon and their function is not known. The absorptive cells or enterocytes are tall, columnar cells, with their nuclei located close to their base.

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Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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