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[pros-tuh-glan-din] /ˌprɒs təˈglæn dɪn/
Biochemistry. any of a class of unsaturated fatty acids that are involved in the contraction of smooth muscle, the control of inflammation and body temperature, and many other physiological functions.
Pharmacology. any commercial preparation of this substance.
Origin of prostaglandin
First recorded in 1935-40; prosta(te) + gland1 + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for prostaglandin


any of a group of potent hormone-like compounds composed of essential fatty acids and found in all mammalian tissues, esp human semen. Prostaglandins stimulate the muscles of the uterus and affect the blood vessels; they are used to induce abortion or birth
Word Origin
C20: from prosta(te) gland + -in; it was originally believed to be secreted by the prostate gland
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for prostaglandin

1936, from German (1935); see prostate + gland + chemical suffix -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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prostaglandin in Medicine

prostaglandin pros·ta·glan·din (prŏs'tə-glān'dĭn)
Any of a group of hormonelike substances produced in various tissues that are derived from amino acids and mediate a range of physiological functions, such as metabolism and nerve transmission.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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prostaglandin in Science
Any of a group of substances that are derived from fatty acids and have a wide range of effects in the body. Prostaglandins influence the contraction of the muscles lining many internal organs and can lower or raise blood pressure.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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