Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a group of naturally occurring lipids derived from the C20 acid prostanoic acid; they have a number of physiological functions and may be considered to be hormones.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a potent substance that acts like a hormone and is found in many bodily tissues (and especially in semen); produced in response to trauma and may affect blood pressure and metabolism and smooth muscle activity

Etymologies

prosta(te) + gland1 + -in.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From German Prostaglandin, corresponding to prosta(te) + gland + -in (because it was originally believed to be secreted from the prostate). (Wiktionary)

Examples

  • Also, semen has a substance in it called prostaglandin, which is the same thing your body makes to soften your cervix.

    The Simple Guide to Having a Baby

  • Sune Bergström is responsible for a crucial breakthrough in prostaglandin research.

    Physiology or Medicine 1982 - Press Release

  • The great breakthrough in prostaglandin research came in the late 1950s when Sune Bergström purified the first prostaglandins and determined their structure.

    The Nobel Prize in Physiology or Medicine 1982 - Presentation Speech

  • One of them is called prostaglandin, and that basically allows your arteries, which, you know, remeasure for that blood pressure, to not be as flexible.

    CNN Transcript Aug 16, 2005

  • To help cleanse your system of this now needless tissue, your body begins to produce a substance called prostaglandin, which, in turn, stimulates powerful uterine contractions.

    Getting Pregnant

  • In addition, endometrial lesions emit high levels of a hormonelike substance known as prostaglandin, which can cause dramatic contractions within the uterus or fallopian tubes.

    Getting Pregnant

  • Older glaucoma drugs like latanoprost and travoprost -- called prostaglandin analogs because they bind to prostaglandins or lipids -- also stimulated lash growth but not as much.

    AlterNet.org Main RSS Feed

  • The drug is a synthetic prostaglandin, which is a hormone-like messenger found in both sexes that acts on stomachs, kidneys, blood vessels and the uterus.

    The Globe and Mail - Home RSS feed

  • Others cells from each patient were subjected to UVR and levels of a pro-inflammatory chemical called prostaglandin-E2 (PGE2) measured.

    Home | Mail Online

  • Older glaucoma drugs like latanoprost and travoprost -- called prostaglandin analogs because they bind to prostaglandins or lipids -- also stimulated lashes but not as much.

    AlterNet.org Main RSS Feed

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