Daphne Nur Oz (born February 17, 1986) is an author and television host. On April 14, 2011, ABC announced Oz would be one of five co-hosts on The Chew, a one-hour live talk show exploring food from all angles. The show premiered in September 2011.
Definition of Dural sac. Dural sac: The membranous sac that encases the spinal cord within the bony structure of the vertebral column. Dural refers to the dura, the name of the membrane around the spinal cord (and brain, too). Search MedTerms:
The fibroserous sac enclosing the heart and the roots of the great vessels, consisting of two layers: the visceral layer or epicardium, immediately surrounding the heart; and the outer parietal layer, which forms the sac and is lined with a serous membrane. Also called heart sac, theca cordis.he pericardium is the thin, sac-like membrane that surrounds the heart. It has two layers: the serous pericardium and the fibrous pericardium. Mentioned in: Coccidioidomycosis, Pericardiocentesis, Pericarditis, Thoracic Surgery. fibroserous, double-layered membrane surrounding the heart.