In the United States, about 600,0001 people have PKD, and cystic disease is the fourth leading cause of kidney failure. Two major inherited forms of PKD exist: Autosomal dominant PKD is the most common inherited form. Symptoms usually develop between the ages of 30 and 40, but they can begin earlier, even in childhood.
Quick Answer. In mathematics the difference is the result of subtracting one number from another, and represents the operation of removing objects from a collection. Mathematicians use the term difference, because it shows by how much the two numbers in the subtraction problem differ. Continue Reading.
When you subtract one number from another, the result is called the difference. This term makes sense when you think about it: When you subtract, you find out the difference between a higher number and a lower one. In subtraction, the first number is called the minuend, and the second number is called the subtrahend.