In coordinate geometry, a square is similar to an ordinary square (See Square definition ) with the addition that its position on the coordinate plane is known. 1  Each of the four vertices (corners) have known coordinates. From these coordinates, various properties such as width, height etc can be found.
If your family doctor suspects that you may have a more serious illness such as hepatitis, in which the liver is severely compromised, he may send you to a hepatologist. Liver disease is the main, comprehensive focus of the hepatologist, who receives specialized training in the diagnosis and treatment of the disease.
Liver disease is serious and requires treatment and regular monitoring by a liver specialist. A liver specialist is known as a hepatologist and you need to be referred by your family doctor or general practitioner. Over nearly 40 years of practicing medicine I have seen many patients develop severe liver disease, which sadly could have been prevented by early detection and early referral to a hepatologist.