When a certain part of the body is x-rayed, dense tissues, such as bones, absorb the rays and appear as bright areas on the developed film, called a radiograph.
Wakati sehemu fulani ya mwili inapopigwa eksirei, tishu mnene, kama vile mifupa, hufyonza miale hiyo na kuonekana kama maeneo angavu kwenye filamu iliyotengenezwa, inayoitwa radiografu.