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  1. Common Moles, Dysplastic Nevi, and Risk of Melanoma - NCI

    Another name for a mole is a nevus. The plural is nevi. What does a common mole look like? A common mole is usually smaller than about 5 millimeters wide (about 1/4 inch, the width of a pencil eraser). It …

  2. Nevus - Wikipedia

    The term originates from naevus, which is Latin for "birthmark"; however, a nevus can be either congenital (present at birth) or acquired. Common terms (mole, birthmark, beauty mark, etc.) are …

  3. Nevus: Definition, Common Types, Photos, Diagnosis, and Treatment

    May 31, 2018 · Nevus is the medical term for a mole. We’ll go over some of the most common types and how to recognize them. Flip through the photo gallery to help identify what kind of nevus you may have.

  4. Nevus (Eye Freckle) - American Academy of Ophthalmology

    6 days ago · A nevus (plural: nevi) is a common, colored growth on or in your eye. Sometimes called a “freckle of the eye,” it is similar to a mole on your skin.

  5. Moles - Symptoms and causes - Mayo Clinic

    Dec 15, 2023 · They often appear as small, dark brown spots that are caused by clusters of pigment-forming cells called melanocytes. Most people have 10 to 45 moles that appear during childhood and …

  6. Moles (melanocytic naevi, pigmented nevi) - DermNet

    A melanocytic naevus (American spelling ‘nevus’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells (melanocytes). It is sometimes called a naevocytic naevus or just …

  7. What Is a Nevus? Types, Causes, and When to Worry

    Dec 8, 2025 · These clusters, often referred to as “nevus cells,” are derived from the neural crest during embryonic development and are normally found in the basal layer of the epidermis. Most nevi are …