Diabetes insipidus is a group of water balance disorders characterized by frequent urination of more than 3 liters/day due to reduced water reabsorption by the kidneys, caused by a lack of excretion or the body's resistance to antidiuretic hormone of the posterior pituitary gland. It is divided into 2 types: central diabetes insipidus (CDI) and nephrogenic diabetes insipidus (NDI).

As society increasingly appears strange diseases, causing confusion for people. Having a little knowledge about the disease as well as the mechanism that causes the disease is extremely necessary at this time. This helps us understand and prevent the pathogens. Protect yourself, your family and society. And today we will learn about vascular permeability, the mechanism of increased vascular permeability, knowing this we will understand and explain some phenomena such as swelling, edema due to inflammation.