extravascular fluid

There are two economies, above ground and underground, and the boundaries at times seem fluid.

It separates into three layers upon standing—a brown deposit, a clear fluid, and a frothy layer.

One frequently wishes to ascertain the specific gravity of quantities of fluid too small to float an urinometer.

This fluid is then heated, adding crystals of sodium acetate until it becomes perfectly clear.

The clear, straw-colored fluid which is left after separation of the coagulum is called blood-serum.

Leukocytes are easily distinguished from red cells, especially when Toisson's diluting fluid is used.