Medically reviewed by Maria M. LoTempio, MD A scab after surgery is a normal part of healing. It forms at the incision site ...

The clot also has other blood cells and thread-like stuff called fibrin (say: FY-bren) to help hold the clot together. As the clot gets hard and dries out, it is called a scab. Don't pick that scab — ...

You've probably been told that the number one rule for getting rid of a zit is not to pick it ... you should just simply wait for your acne scab to heal (FYI, it can take weeks).

Their job is to protect the cut by keeping germs and other stuff out and giving the skin cells underneath a chance to heal. If you look at a scab, it probably just looks like a hard, reddish glob. But ...

Older infections turn black, then leaves turn yellow and fall off. The apple scab fungus has several host-specific strains that can cause disease on one type of plant but not any other. For example, ...

Somewhat resistant winter squash have raised corky areas on infected fruit. The extent of fruit rot varies depending on the variety’s resistance. Scab disease is uncommon in Minnesota, but there are ...