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
At first, such objects were called quasi-stellar objects, or QSOs, but nowadays the term quasar many times refers to both types: the radio emitters and radio quiet ones. Most quasars are radio silent. Ã