The scientific measurement and study of blood flow rates and velocity through blood vessels in living organisms.
From Greek haima 'blood,' dromos 'running,' and -metry 'measurement.' This scientific discipline emerged in the 19th century as physiologists sought quantitative methods to study circulation.
Hemadrometry proved that blood doesn't flow smoothly like water in a pipe—it pulses and swirls, especially in arteries, which completely changed how doctors understood cardiovascular disease!
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