Anonymous ID: b12a49 Nov. 24, 2022, 5:41 p.m. No.17806372   🗄️.is 🔗kun   >>6374 >>6375

>>17806354

That's usually because a twin didn't break apart and grew within the other twin. So a tooth would be just cells from the mouth area, growing, while the other parts were absorbed into the surviving twin.

 

https://www.newsweek.com/woman-twin-growing-inside-her-india-1456317