prostaglandin

American  

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

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.

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prostaglandin British  

/ 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

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prostaglandin Scientific  

/ 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.

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Etymology

Origin of prostaglandin

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

Example Sentences

"But this research shows that, at normal biological levels, small increases in prostaglandin E2 can promote regeneration."

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

A second research publication in Nature investigates the effects of prostaglandin E2 on the immune system.

From Science Daily • Apr. 24, 2024

When they blocked the release of prostaglandin E2 in cancer tissue, the T cells showed better expansion and were thus able to fight human cancer cells more effectively.

From Science Daily • Apr. 24, 2024

In the reproductive system, prostaglandin is an important mediator of processes like ovulation, fertilisation and embryo implantation.

From Science Daily • Oct. 20, 2023