Opioid

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

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Science and technology

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What Wikipedia says

Opioids are a class of drugs that derive from, or mimic, natural substances found in the opium poppy plant. Opioids work on opioid receptors in the brain and other organs to produce a variety of morphine-like effects, including pain relief.

Excerpt from the Wikipedia article “Opioid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NEUROtiker, Public domain, via Wikimedia Commons.