Microvilli are most often found in the small intestine, on the surface of egg cells, as well as on white blood cells. In the intestine, they work in conjunction with villi to absorb more nutrients and more material because they expand the surface area of the intestine.
(February 2017) A copayment or copay is a fixed amount for a covered service, paid by a patient to the insurance company before patient receives service from physician. In the United States, copayment is a payment defined in an insurance policy and paid by an insured person each time a medical service is accessed.
Both are forms of cost sharing, meaning that you pay part of the cost of your care and the health insurance company pays part of the cost of your care. The difference between copay and coinsurance is in. how the share of cost is divvied up between you and your health insurance company.