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 …

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 …

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.

Jan 12, 2026 · 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.

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 …

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 …

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 …

The melanocytes that make up an intradermal nevus are located in the dermis (below the dermo-epidermal junction). This mass of melanocytes pushes the cells above it upward, resulting in the …

Nevi are flesh- to brown-colored macules, papules, or nodules composed of nests of melanocytes or nevus cells. Nevi develop on nearly everybody, and are significant primarily because they can …

Spitz nevus: Spitz nevus or epithelioid cell nevus is a pink (classic Spitz) or brown (pigmented Spitz) dome-shaped mole that arises in children and young adults.