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.
Time of Day. As explained in Etiquette: Formal Tradition, black tie and white tie are categories of evening wear and evening wear is not meant to be worn before six oclock or before dark, whichever comes first. Therefore, formal weddings that take place during the day traditionally require morning dress, the daytime equivalent of evening wear.