Equine Physiology Workbook

 Often occur in large aggregations in specific parts of the body such as in lymph follicles and the ilium of the small intestine.  Lymph follicles are diffused throughout the horse’s respiratory tract, replacing the function of tonsils, participating in immune responses against inhaled ingested foreign substances.

THE IMMUNE SYSTEM

Functions of the immune System:

Identification of invading organisms

 Destruction of the invading organisms  Neutralization of toxins

Factors Affecting the Immune System

Stress

  

Nutrition

Age

Immunity: the body’s ability to provide specific resistance to invading agents. There are 2 types of immunity; innate & acquired.

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