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  1. Nevus - Wikipedia

    Nevus (pl. nevi) is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. [1] The term originates from naevus, which is Latin for "birthmark"; however, a …

  2. 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 …

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

    Nov 7, 2024 · 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.

  4. 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. …

  5. Nevi (Moles) - Dermatologic Disorders - MSD Manual ...

    Nevi (singular nevus, moles) are flesh- to brown-colored macules, papules, or nodules composed of nests of melanocytes or nevus cells. Their main significance (other than cosmetic) is their …

  6. Nevus: Definition, Common Types, Photos, Diagnosis, and …

    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 …

  7. Is a Nevus Going to Develop Into Skin Cancer? - Verywell Health

    Sep 5, 2025 · A nevus, commonly known as a mole, is usually benign but can sometimes lead to skin cancer like melanoma. Regular skin exams by professionals or self-exams can help you …

  8. Nevus: Symptoms, Types, Causes and Treatment | Conditions ...

    Nov 26, 2025 · Discover the symptoms, types, causes, and treatment of nevus. Learn how to identify and manage different types of moles for healthier skin. Nevus (plural: nevi), commonly …

  9. 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 …

  10. Nevi - Johns Hopkins Medicine

    What is a nevi? A nevi is a mole. Moles are spots on the skin, most of which are present by age 20. They are usually round with a sharply defined border and uniform color. They may be flat …