The fibrocartilage cushions between the vertebrae in the column are named for their positions along the vertebral bodies, and are called the intervertebral disks. They have a thick outer ring of cartilage called the Annulus Fibrosus as well as a much softer center called the Nucleus Pulposus.
Instructions. 1  Dress Code for a Black-Tie Event Traditionally a black-tie event requires a woman to wear long length dresses like floor length, evening separates or cocktail style because dresses of longer lengths are believed to be more formal than shorter ones.
A black tie optional dress code may be clearly stated on the invitation to the event. Other events, however, may require some sleuthing to determine if black tie optional attire is preferred. Type of event: Weddings, galas, fundraisers and other charity events may call for black tie optional attire.