prostaglandin(redirected from prostaglandin I2)
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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.
(Biochemistry) 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
[C20: from prosta(te) gland + -in; it was originally believed to be secreted by the prostate gland]
pros•ta•glan•din(ˌprɒs təˈglæn dɪn)
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.
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.
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|Noun||1.||prostaglandin - 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|