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prostaglandin

American

[pros-tuh-glan-din] / ˌprɒs təˈglæn dɪn /

noun

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.

prostaglandin British

/ ˌprɒstəˈɡlændɪn /

noun

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

"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

prostaglandin Scientific

/ prŏs′tə-glăn′dĭn /

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.

Etymology

Origin of prostaglandin

First recorded in 1935–40; prosta(te) + gland ¹ + -in ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

prostaglandin

This distinction is important because it suggests that LPC70 does not simply increase or suppress all prostaglandin activity.

From Science Daily ● Oct. 18, 2026

When researchers inhibit 15-PGDH or increase prostaglandin E2 levels, damaged muscle, nerve, bone, colon, liver, and blood tissues regenerate more effectively in young mice.

From Science Daily ● Jun. 12, 2026

By blocking 15-PGDH or increasing prostaglandin E2 levels, researchers previously supported the repair of damaged muscle, nerve, bone, colon, liver, and blood cells in young mice.

From Science Daily ● Jan. 20, 2026

The researchers were able to show that prostaglandin E2 binds to EP2 and EP4, two receptors on the surface of certain immune cells.

From Science Daily ● Apr. 24, 2024

Many cancer cells show increased secretion of the messenger substance prostaglandin E2.

From Science Daily ● Apr. 24, 2024

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023