This is a condition where small, fluid-filled blisters (vesicles) appear on the palms, sides of the fingers, or soles of the feet.
* *The Biological "Why":* It is often a hyper-response of the immune system to triggers like stress, allergies, or contact with metals (like nickel or cobalt).
* *What it looks like:* Under a microscope, you would see the epidermis (outer layer of skin) separating slightly as serous fluid collects between the skin cells.
2. Verruca Vulgaris (Common Warts)
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