Scrabble Dictionary

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"Prostaglandin" Definition

noun

Any of a group of potent hormonelike substances that are produced in various mammalian tissues, are derived from arachidonic acid, and mediate a wide range of physiological functions, such as control of blood pressure, contraction of smooth muscle, and modulation of inflammation.

Source: American Heritage Dictionary

Any of various oxygenated unsaturated cyclic fatty acids of animals that are formed chiefly by the action of cyclooxygenase on arachidonic acid and perform a variety of hormonelike actions (as in controlling blood pressure or smooth muscle contraction).

Source: Merriam-Webster

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