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mchermyesterday at 9:45 AM2 repliesview on HN

> All parts of the body are built like this.

Please name one other organ that arises from two separate progenitor cell types. If this is common, I have never heard of it.


Replies

MarkusQyesterday at 2:01 PM

Well, your heart contains both mesoderm derived cells (enervation) and ectoderm derived cells (musculature).

pixl97yesterday at 11:27 PM

Bones, guts, many glands, kidneys.