Methemoglobin

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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.

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Notion

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Science and technology

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What Wikipedia says

Methemoglobin (British: methaemoglobin, shortened MetHb) (pronounced "met-hemoglobin") is a hemoglobin in the form of metalloprotein, in which the iron in the heme group is in the Fe3+ (ferric) state, not the Fe2+ (ferrous) of normal hemoglobin. Sometimes, it is also referred to as ferrihemoglobin.

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

Image: Fvasconcellos 19:43, 5 May 2007 (UTC), Public domain, via Wikimedia Commons.