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:
Nervous System. The nervous system â the brain and spinal column â are surrounded by fluid contained in a membrane called the dura, which is primarily made up of connective tissue. The enlargement of this membrane (and sometimes the presence of cysts) is referred to as dural ectasia.