Answer:
Small, knot like protusion on the skin are called Skin Cysts
Explanation:
Cysts are noncancerous, closed pockets of tissue that can be filled with fluid, pus, or other material. When you have some, they feel like large peas under your skin. Cyts are usually caused by an infection, clogging of sebaceous glands, or around foreign bodies, such as earrings. They may contain pus, fluid, or other material.
