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.
Hard bumps beneath the skin can be accompanied by a variety of symptoms, including swelling, stinging, burning, redness and pain. These bumps can appear blister-like and feel hot to the touch. Pus and oil can also collect inside these hard bumps. They can appear as a single bump on the face or group together to cover larger areas of the face and body. In extreme cases, these bumps may also accompany breathing or swallowing difficulties. Causes. Hard bumps on the face can be caused by the condition angioedema. This is a type of allergic reaction that causes deep welts to form beneath the skin, typically by the lips and eyes. Certain allergens, such as foods and medications, can trigger the reaction. Cysts and nodules, both types of acne formations, can also cause hard painful bumps to develop beneath the skin. Bug bites, such as those caused by bees or spiders, can also result in facial bumps.