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
Or, to put it another way, quasars are an extreme kind of active galactic nuclei, which are the centers of active galaxies that spew out huge amounts of excess energy. Such huge amounts of energy are believed to be released as matter swirls around and eventually falls into a supermassive black hole at the center of the quasar.