Which combining form refers to a disease or infection caused by a fungus?

The combining form that refers to a disease or infection caused by a fungus is "myc/o." This form is derived from the Greek word "mykes," which means fungus or mushroom. In medical terminology, "myc/o" is often utilized in various terms related to fungal infections, such as "mycosis," which refers to any disease caused by a fungus, and "dermatomycosis," which specifically denotes fungal infections of the skin. Understanding this combining form is crucial for medical assistants as they encounter various terms related to infections and diseases in their roles.

The other combining forms do not relate to fungal diseases. "Lip/o" pertains to fat or lipid substances, "kerat/o" relates to the cornea or keratinized tissue, and "gnos/o" refers to knowledge, particularly in terms of diagnosis.