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.
These non-specific barriers are extremely important, but they represent just the first line of defense. The innate and adaptive immune systems provide additional important barriers to infection. These non-specific barriers are extremely important, but they represent just the first line of defense. The innate and adaptive immune systems provide additional important barriers to infection.