What does histamine mean?
Histamine is a chemical involved in the immune system and various physiological processes. It is released during allergic reactions, causing symptoms such as hives, itching, and swelling. Histamine also plays a role in regulating sleep, appetite, and digestion. In the brain, it acts as a neurotransmitter, influencing mood, motivation, and memory. Histamine is an important molecule, and its dysregulation can lead to various health issues, including allergies, asthma, and neurological disorders. Understanding histamine's functions and mechanisms can provide valuable insights into human health and disease.
noun
A chemical involved in the immune system, responsible for causing allergic reactions.
"The histamine released during an allergic reaction caused the person's skin to break out in hives."
noun
A neurotransmitter that plays a role in various physiological processes, including regulating sleep, appetite, and digestion.
"Histamine levels in the brain influence mood, motivation, and memory."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of histamine
The word 'histamine' comes from the Greek word 'histos', meaning 'tissue', and the chemical suffix '-amine'. It was first isolated from the tissues of the stomach in 1907 by the German chemist Dale.
Usage notes
Histamine is often associated with allergic reactions, but it also plays a role in various physiological processes. It is commonly used in medical research and has potential therapeutic applications. In everyday language, histamine is often used to describe the symptoms of an allergic reaction, such as hives and itching.