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The term "ringworm" refers to a group of fungal infections that affect the skin, most commonly caused by various species of fungi under the genus Tinea. The infection is named for the characteristic ring-like appearance it often produces on the skin, featuring a red, itchy, and scaly border. Ringworm can affect various areas of the body, including the scalp (tinea capitis), feet (tinea pedis or athlete's foot), and body (tinea corporis).

The other options listed do not relate to fungal skin infections. Jaundice is a condition characterized by yellowing of the skin and eyes due to an excess of bilirubin, which is unrelated to fungal infections. Melanoma is a type of skin cancer that arises from pigment-producing cells (melanocytes) and is not a fungal infection. Ecchymosis refers to a discoloration of the skin resulting from bleeding underneath, commonly known as a bruise, and again is not connected to fungal infections. Therefore, the association of Tinea with ringworm is accurate and reflects the common terminology used in dermatology.