- Eczema: refers to a condition where patches of skin become rough and inflamed present with itching.
- Ulcer: An open sore or a break in the continuity of the skin or mucous membranes which is difficult to heal.
- Dermatitis: It is the inflammation of the skin. Skin becomes red, warm and swollen.
- Immune System: The system of organs and processes of the body that provide resistance to and protection from infection and toxins. Organs include thymus, bone marrow, and lymph nodes.