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:
What is a Thecal Sac: Definition and Structure: The thecal sac is a covering of the spinal canal that is filled with cerebrospinal fluid (CSF). It houses the spinal cord and nerve roots.It is made up of outer arachnoid membrane and inner dura. It is wider in females.The length is approximately until S1 to S3 vertebral levels.he thecal sac is a covering of the spinal canal that is filled with cerebrospinal fluid (CSF). It houses the spinal cord and nerve roots. It is made up of outer arachnoid membrane and inner dura. It is wider in females. The length is approximately until S1 to S3 vertebral levels.