"Ringworm lesions" refers to skin infections caused by a type of fungus. The phrase describes the circle-shaped rashes or patches that appear on the skin, which can be itchy and scaly. Full definition
The incubation period between exposure to ringworm fungus and the development of ringworm lesions usually ranges from seven to fourteen days; some cases may take up to 21 days before signs of infection develop. (brittonroadveterinaryclinic.com)
In the dog, ringworm lesions usually appear as areas of hair loss (alopecia) that are roughly circular. (brittonroadveterinaryclinic.com)
There is often a moderate degree of itchiness associate with ringworm lesions, but this is sometimes not the case, especially in cats. (web-dvm.net)