...Radhika Patel Clinical Microbiology-2 To: Jane Coughanour In-depth Report April 28, 2013 Fungus and Related Disease Bread mold and mushrooms are among the most familiar examples of fungi organisms that grow in an irregular mass without roots, stems, or leaves. Fungi feed on other organisms, living or dead, and play an important role in helping dead plants and animals decay of the thousands of species of fungi, a few can cause human disease. These fungi cause a wide range of illnesses, from minor skin conditions to life-threatening diseases. They produce two kinds of infections: systemic and superficial. Systemic infections affect internal organs. They often start in the lungs, but in severe cases may spread to the blood, heart, brain, kidneys, liver, or other parts of the body. Superficial infections affect the surface of the body, the skin, the nails, and the hair. They most often occur in moist areas, such as between the toes, in the crotch, or in the mouth. Fungal diseases are called mycoses and those affecting humans can be divided into four groups based on the level of penetration into the body tissues. Superficial mycoses are caused by fungi that grow on the surface of the skin or hair. Cutaneous mycoses or dermatomycoses include such infections as athlete's foot and ringworm, where growth occurs only in the superficial layers of skin, nails, or hair. Subcutaneous mycoses penetrate below the skin to involve the subcutaneous, connective, and ne tissue. Systemic...
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