Definition: Phorbol refers to a substance used in animal testing for growth factors, typically for use in studies involving mice or rabbits. It's also known as "bovine growth hormone" in humans. Phorbol can be dissolved into water at room temperature for use as an additive in animal experiments to support the growth of test animals. It can be added directly to the tissue being studied (like bone marrow) or mixed with other materials like gelatin, serum, and other substances to mimic natural conditions such as those found within a body. Phorbol is not used commercially; it's typically only sold by research institutions.
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