A pyrogen is defined as a substance that produces a rise in temperature in a human or animal, and pyrogens are categorized into exogenous pyrogens, which induce fever after parenteral …

Fever is a well-known effect, hence the term "pyrogen." About one hour after the injection of pyrogens into rabbits (or man), there is a rise in body temperature.

The meaning of PYROGEN is a fever-producing substance.

pyrogen Any substance that causes fever. Endogenous pyrogens are proteins, such as interleukin-1, released by white blood cells in response to bacterial or viral infections.

A pyrogen is any substance or agent that induces fever when it enters the body. It causes an elevation in the body's temperature set point, typically by acting on the hypothalamus (the …

Fever is a highly significant indicator of disease. …system’s responses is to produce pyrogens. These chemicals are carried by the blood to the brain, where they disturb the functioning of the …

Pyrogens are substances that cause a rise in body temperature, leading to what is commonly known as a fever. These compounds signal the body to elevate its internal thermostat, a …

Pyrogen (fever), a fever inducing substance.

Jul 23, 2021 · The result is a condition called fever. The action of pyrogen resulting in a febrile response is thought to be a part of the body’s ability to combat infection. The increase in body …

Nov 9, 2025 · A pyrogen is defined as any substance that causes a fever when it enters the bloodstream, triggering a systemic inflammatory response. Testing products like injectable …