Flip-flops and latches are used as data storage elements. A flip-flop stores a single bit (binary digit) of data; one of its two states represents a one and the other represents a zero. Such data storage can be used for storage of state, and such a circuit is described as sequential logic.
1 Incisional hernia can occur through a scar if you have had abdominal surgery in the past. 2  Umbilical hernia is a bulge around the belly button. 3  It occurs when the muscle around the belly button does not close completely after birth.
Scars are a natural part of the body's healing process. A scar results from the biologic process of wound repair in the skin and other tissues. Most wounds, except for very minor ones, result in some degree of scarring.Scars can result from accidents, diseases, skin conditions such as acne, or surgeries. Although it will not remove a scar, surgery can be used to alter a scar's shape or make it less noticeable. 2  Surgery is not recommended in cases of hypertrophic or keloid scarring (raised scars) because there is a risk of recurring scars as well as more severe scarring that results from the treatment. 3  Steroid injections.