gluteal fold
it is called a butt
butt crack
Butt
E
radius
angle of depression.
denominator
butt crack.
don't pass the line
below its urinary opening.
The number above the line in a fraction is called the numerator. The number below the line is called the denominator. So in the fraction 5/7 5 is the numerator and 7 is the denominator.
it is called a half plane :)