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Amazing Da Vinci Drawings of a Fetus in the Womb

Femination

By Juliana Jiménez Jaramillo

These drawings by Leonardo Da Vinci of a fetus in the womb continue to amaze more than 500 years after he made them. They were made, with astonishing detail and care, with pen over red chalk, between 1510 and 1513.

The illustration above details a fetus around 4 months old.

Views_of_a_Foetus_in_the_Womb

Photos by Luc Viatour via Wikimedia Commons.

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Scientists Discover Children’s Cells Living in Mothers’ Brains

Femination

By Juliana Jiménez Jaramillo

The connection between mother and child is physical and psychological, and may be even deeper than previously thought. According to Scientific American, “cells may migrate through the placenta between the mother and the fetus, taking up residence in many organs of the body including the lung, thyroid muscle, liver, heart, kidney and skin” — and apparently, the brain. The article is excellent, though this part is confusing:

“They examined the brains of deceased women for the presence of cells containing the male “Y” chromosome. They found such cells in more than 60 percent of the brains and in multiple brain regions. Since Alzheimer’s disease is more common in women who have had multiple pregnancies, they suspected that the number of fetal cells would be greater in women with AD compared to those who had no evidence for neurological disease. The results were precisely the opposite: there were fewer fetal-derived cells…

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