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 …

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.

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 …

The meaning of PYROGEN is a fever-producing substance.

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 …

Jul 22, 2025 · Endogenous pyrogens are substances produced within the body, primarily by immune cells. These proteins, such as interleukins (IL-1, IL-6) and tumor necrosis factor …

Pyrogen Test A pyrogen is a substance causing induction of a febrile response (elevation of body temperature, fever) which can be fatal in humans and animals.

Bacterial endotoxins (pyrogens) are polysaccharides from bacterial membranes. They are water soluble, heat stable, and filterable. If they are present in a preparation and administered to a …

Pyrogens, substances that cause a febrile reaction, can be present in a device and, therefore, leachates of such materials can cause febrile responses (material-mediated pyrogenicity). …

Pyrogen is a self-generated Aerosol Fire Extinguishing Agent, and is one of the most efficient Halon Alternative products currently available.