F Francis B New member Jun 3, 2010 #2 Commonly called the buttcrack or butt crack, its clinical name is the crena clunium, also called the post-anal furrow, anal cleft, or gluteal cleft.
Commonly called the buttcrack or butt crack, its clinical name is the crena clunium, also called the post-anal furrow, anal cleft, or gluteal cleft.
