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
Furthermore, fluctuations in the brightness of quasars showed astronomers that they are small objects, smaller than our solar system, meaning quasars are small, yet very powerful sources of energy, which are likely the active cores of very distant galaxies.