If you have testicles, you’ve probably noticed that there is a line that runs down the middle of your scrotum.
If you didn’t know, you do now. You’re welcome.
First, know that this is very normal and absolutely nothing to worry about.
While there are theories ranging from Eve in the Bible being made not from Adam’s rib but instead his penis bone to the line simply being a remnant of the penis bone.
Yes really.
However, it is far more simple than either of those...