Temporal arteritis, also known as giant cell arteritis, is a condition that involves blood vessel inflammation and damage. According to the University of Maryland Medical Center, this condition may affect the medium or large arteries that supply blood to your head, neck, upper body and arms.
Definition of opportunity cost. : the added cost of using resources (as for production or speculative investment) that is the difference between the actual value resulting from such use and that of an alternative (such as another use of the same resources or an investment of equal risk but greater return)
The opportunity cost of a choice is what you gave up to get it. If you have two choices - either an apple or an orange - and you choose the apple, then your opportunity cost is the orange you could have chosen but didn't. You gave up the opportunity to take the orange in order to choose the apple. In this way, opportunity cost is the value of the opportunity lost. Value: Benefits and Cost. Value has two parts to it.