Category Code

This term is used informally to mean a class of things.

An electrocardiographic finding of ventricular tachycardia that is associated with syncope and/or cardiac arrest triggered by emotion or exercise in patients whose…

A type of neurohormone (a chemical that is made by nerve cells and used to send signals to other cells). Catecholamines are…

Catechol O-methyltransferase (271 aa, ~30 kDa) is encoded by the human COMT gene. This protein is involved in the metabolism of…

A chemical originally isolated from a type of mimosa tree. Catechol is used as an astringent, an antiseptic, and in photography, electroplating,…

A substance found in tea that helps protect cells from damage caused by free radicals. Free radicals are unstable molecules that are…