Every fetus begins as female, so the ovaries develop in the abdomen until the Y chromosome starts giving orders and the ovaries descend and turn into testes. But there’s still some phantom code in the DNA that places them in the abdomen, so when pain is experienced by the testes the brain my tell you the pain is coming from the abdomen, where the ovaries would have been if the person where female.
Anyone with testes can try this. Grab one and squeeze just a bit firmer than comfortable. You’ll get the incoming pain nerve response from the testes area, but you should also feel a faint, similar feeling coming from higher up.
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