prostaglandin

[ pros-tuh-glan-din ]

noun

1. 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.
2. Pharmacology. any commercial preparation of this substance.

prostaglandin

/ ˌprɒstəˈɡlændɪn /

noun

1. 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

prostaglandin

/ prŏs′tə-glăn′dĭn /

1. 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.

Word History and Origins

Origin of prostaglandin¹

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

Word History and Origins

Origin of prostaglandin¹

C20: from prosta ( te ) gland + -in ; it was originally believed to be secreted by the prostate gland

Example Sentences

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

From Science Daily

This appears to be related to increased prostaglandin synthesis, which is important for inducing contractions, and the onset of labor, Engeland explained.

From Science Daily

Upon binding with SCFA, a chemical cascade ensues, culminating with the synthesis and secretion of prostaglandins.

From Science Daily

The research team postulated that adding a medication that blocks prostaglandin synthesis may have an additional complementary effect in achieving contraception.

From Science Daily

Another pair of possible culprits is oxytocin, the primary hormone triggering labor, and prostaglandins, which speed it along.

From Science Magazine