Eicosanoids

Definition

Eicosanoids are a group of bioactive lipids derived from arachidonic acid or other polyunsaturated fatty acids that play critical roles in inflammation, immunity, and as messengers in the central nervous system. They include prostaglandins, thromboxanes, leukotrienes, and others, each involved in various physiological and pathological processes.

Related terms

Prostaglandins:

These are a type of eicosanoid that mediate inflammation and have roles in pain sensation, regulating blood flow to particular areas, and initiating labor in pregnant women.

Thromboxanes:

A subgroup of eicosanoids that promote platelet aggregation and vasoconstriction contributing to blood clot formation.

Leukotrienes:

Another class of eicosanoids known for their role in allergic responses and asthma by facilitating bronchoconstriction and increasing vascular permeability