Definition of "capillaries" [capillaries]

• Plural form of capillary. (noun)

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• "Although the speed of blood flow through the capillaries is the same during rest and work, the oxygen supply increases because so many capillaries are open and each capillary can hold more blood."
• "Instead, Krogh elegantly and clearly demonstrated (by measurements of the oxygen content in capillaries and muscle fibers, direct observations and histological sections) that a relatively small number of capillaries are open during rest."
• "The pathway followed by small, watersoluble molecules in muscular capillaries is still under investigation."