bedrock. n. 1. (Geological Science) the solid unweathered rock that lies beneath the loose surface deposits of soil, alluvium, etc. 2. basic principles or facts (esp in the phrase get down to bedrock).3. the lowest point, level, or layer. (ËbÉdËrÉk).edrock-solid unweathered rock lying beneath surface deposits of soil. rock, stone-a lump or mass of hard consolidated mineral matter; he threw a rock at me.
Acute urticaria: Hives lasting less than six weeks. The most common causes are certain foods, medications, or infections. Insect bites and internal disease may also be responsible. The most common foods that cause hives are nuts, chocolate, fish, tomatoes, eggs, fresh berries, and milk.
1 The most common causes are foods, medicines, latex or infections. 2  Insect bites and internal disease may also be responsible. 3  The most common foods that cause hives are nuts, chocolate, fish, tomatoes, eggs, fresh berries, soya, wheat and milk. 4  Fresh foods cause hives more often than cooked foods. Chronic urticaria: Hives or swelling lasting more than six weeks. 2  The cause of this type of hives is usually more difficult to identify than those causing acute urticaria. 3  The causes can be similar to those of acute urticaria but can also include autoimmunity, chronic infections, hormonal disorders and malignancy.