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.
3 of 9. Black Tie Optional. For a black tie optional event, guests can always wear the same attire as for a black tie event. For guests who want to go a bit more casual, gentleman can wear a dark suit with a white shirt and conservative tie.