fluxo em massa
1. The movement of fluid through a medium driven by a pressure gradient, where the entire fluid moves together as a unit rather than through diffusion or osmosis
Bulk flow is responsible for the movement of blood through arteries and veins.
O fluxo em massa é responsável pelo movimento do sangue através das artérias e veias.
2. In physiology, the convective transport of solutes and solvents across a membrane or through tissue spaces
Bulk flow of fluid from the capillaries into the tissue spaces occurs at the arterial end of the capillary bed.
O fluxo em massa de fluido dos capilares para os espaços teciduais ocorre na extremidade arterial do leito capilar.
3. In fluid mechanics, the overall motion of a fluid mass in response to pressure differences
The bulk flow rate depends on the viscosity of the fluid and the pressure gradient.
A taxa de fluxo em massa depende da viscosidade do fluido e do gradiente de pressão.
This is a technical term primarily used in medical, physiological, and engineering contexts in both Brazil and the United States. It is fundamental to understanding cardiovascular physiology and kidney function in medical education curricula.
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