41. Thumbnail Sketch. No, not the kind of thumbnail on your hand. Thumbnail sketches are rough drawings of potential design concepts or solutions. These sketches are used to visualise and grow various ideas and concepts by hand before moving to the screen. Adham Dannaway
Skin bumps: Bumps or lumps on the skin. See detailed information below for a list of 179 causes of Skin bumps, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Skin bumps: Causes | Symptom Checker Â». The following medical conditions are some of the possible causes of Skin bumps.
Another type of skin bump to be concerned about is that caused by skin cancer. There are several types of skin cancer, all requiring treatment: 1  Basal cell carcinoma appears on sun-exposed skin and produces pain and bleeding in the early stages. 2  The associated bumps may be discolored, shiny, or scar-like. Psoriasis is a skin disease that produces scaly, red, inflamed patches on your skin that may be itchy. 2  Keloids are smooth, raised growths that form around wounds. 3  Keratosis pilaris is a skin condition characterized by overgrowth of a protein called keratin. 4  It causes small bumps around hair follicles on the body.