Fibril Associated Collagens, also known as FACs, are a group of proteins that provide structural support to various tissues in the body. While they are essential for the proper functioning of these tissues, they also have antonyms, or opposites, that can have negative effects. Some antonyms for FACs include degradation, breakdown, and weakening. When the body's natural processes don't produce enough FACs or if they are damaged or degraded, tissues like bone, cartilage, and tendons may become weaker, less flexible, and prone to injury. Understanding the antonyms of FACs is important for maintaining the health and integrity of these tissues.