Final answer:
A congenital disorder of the lymphatic system is a condition that affects the functioning of the lymphatic system. Examples of such disorders include lymphedema, lymphangitis, and lymphadenitis.
Step-by-step explanation:
A congenital disorder of the lymphatic system refers to a condition that is present at birth and affects the normal functioning of the lymphatic system. The lymphatic system is responsible for draining body fluids and filtering pathogens from the blood. When there is a disorder in this system, it can lead to conditions such as lymphedema, lymphangitis, or lymphadenitis.