dry cracked skin on the heels of a person s legs, close-up. the concept of serious diseases of the skin and thyroid gland,

anemia avitaminosis bursting closeup concept contagion corneum cracking cracks damage deep deficiency derm dermatitis dermatological dermis diabetes disease diseases dry exfoliation failure foot fungus heels hypovitaminosis illness infection irondeficiency leather leg macro medic medical medicinal metabolic nutrition pain peeling person problems processes renal shoes sickness skin stratum stress throat thyroid tight uncomfortable varicose veins vitamin white