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.
Cysts, lumps and bumps. Sometimes lumps, bumps, cysts and swellings appear under the skin. These are usually harmless, but sometimes need to be checked by a doctor. The most common cause of skin lumps and bumps include: 1  Skin cysts. 2  Cherry angioma. 3  Dermatofibromas.4  Epidermoid cysts. 5  Folliculitis. 6  Keratoacanthoma.ometimes lumps, bumps, cysts and swellings appear under the skin. These are usually harmless, but sometimes need to be checked by a doctor. The most common cause of skin lumps and bumps include: 1  Skin cysts. 2  Cherry angioma.