Holoprosencephaly

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Notion

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Science and technology

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What Wikipedia says

Holoprosencephaly (HPE) is a cephalic disorder in which the prosencephalon (the forebrain of the embryo) fails to develop into two hemispheres, typically occurring between the 18th and 28th day of gestation.

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

Image: Patou Tantbirojn, Mana Taweevisit, Suchila Sritippayawan, Boonchai Uerpairojkit., CC BY 2.0, via Wikimedia Commons.