Abstract
Capillaries are microvessels of 5〜8μm in diameter, and in the capillary vessels it is known that gas and mass exchanges playing an important role to live is done between red blood cells and tissue cells. Therefore study on blood flow in the capillaries is important. In order to clarify the blood flow in capillaries, we fabricated a realistic model of a capillary vessel in a silica glass by a femtosecond laser microfabrication system which had capability to fabricate three-dimensional microtube and microcavity inside a transparent material. The present capillary model has a straight hole of 10μm in diameter and of 100μm in length. We were able to observe the blood flow in this micro-model.
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