scab. 1  An incrustation over a sore, wound, vesicle, or pustule, formed during healing. 2  The mange, especially when it appears on sheep. 3  Any of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus).
Diabetes complications from fungus infections in the toenails and fingernails can lead to amputations of the entire limbs. To understand how serious fungal toenails can be to a diabetic, you must first understand how diabetes affects the body.
Primary Cause of Fungal infections. The primary cause of Fungal infections is the result: 1  of transmission of an infectious agent by another person by one or more of the following: saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc.auses of Types of Fungal infections: Review the cause informationfor the various types of Fungal infections: 1  Candida. 2  Vaginal Candidiasis. 3  Oral thrush. 4  Athlete's foot. 5  Tinea. 6  Yeast infections. 7  Ringworm-not a worm but a fungus.