Plantar warts commonly found on the bottom of the foot are caused by a virus and can cause irritation. Athlete's foot, which is caused by a fungus, also can lead to foot irritation. A common cause of foot pain is the ingrown toenail.
The adaptive defense consists of antibodies and lymphocytes, often called the humoral response and the cell mediated response. The term âadaptiveâ refers to the differentiation of self from non-self, and the tailoring of the response to the particular foreign invader.he adaptive defense consists of antibodies and lymphocytes, often called the humoral response and the cell mediated response. The term âadaptiveâ refers to the differentiation of self from non-self, and the tailoring of the response to the particular foreign invader.
The adaptive immune system is made of specialized cells and processes which kill pathogens or prevent their attack.The adaptive immune system is switched on by the evolutionarily older innate immune system. This older system is non-specific, whereas the adaptive system is tailored to specific targets.he adaptive immune system is made of specialized cells and processes which kill pathogens or prevent their attack.