The perineal region is that part of the trunk below the pelvic diaphragm. It is diamond shaped and has the same boundaries as the pelvic outlet. It is divided into an anterior, urogenital triangle and a posterior, anal triangle.
Definition for &QUOT;Quasar&QUOT; an incredibly distant, and thus old, celestial objectâ¦ View More
The discovery that a quasar group existed in such an early era confounds the standard assumption that the universe could not have grown so lumpy so soon after the smooth, uniform beginning of the Big Bang.