Ischium the Latin term derives from Greek ἰσχίον "iskhion" meaning "hip joint". The division of the "acetabulum" into "ischium" (ἰσχίον) and "ilium" (λαγών, "os lagonicum") is due to Galen, "De ossibus". Galen, however, omits mention of the "pubis" as a separate bone. The clade Dinosauria is divided into the Saurischia and Ornithischia based on hip structure, including importantly that of the ischium. In the majority of dinosaurs, the ischium extends down from the ilium and towards the tail of the animal. The acetabulum, which can be thought of as a "hip-socket", is a cup-shaped opening on each side of the pelvic
Angel's Bone Angel's Bone Angel's Bone is an opera by composer Du Yun and librettist Royce Vavrek in one act that follows the plight of two angels discovered on earth who are forced into spiritual and sexual slavery at the hands of a financially troubled couple. The work is a contemporary parable about human trafficking. Julian Wachner conducted the performances with Novus NY and the Trinity Wall Street Choir. The production, which opened on January 6, 2016, at the 3LD Art & Technology Center in Greenwich Street, Lower Manhattan, as part of the Prototype Festival in New York City, was directed by