In particular, calcitonin has the ability to decrease blood calcium levels at least in part by effects on two well-studied target organs: 1  Bone: Calcitonin suppresses resorption of bone by inhibiting the activity of osteoclasts, a cell type that digests bone matrix, releasing calcium and phosphorus into blood.
A JCB card is a credit card issued by the Japan Credit Bureau. It is the leading credit card in Japan mainly due to the superior service offered by the JCB company. To date, JCB cards are accepted and honored in 190 countries around the world.
Printed circuit board with components attached. A printed circuit board (PCB) is a plastic board made for connecting electronic components together. These are used in almost all computers and electronics today. The card is made of a material that does not conduct electricity, like fiberglass or plastic.