clot

The drug blocks Factor XIa, a protein that contributes to blood clotting, Bayer said.

Mrs. Clarke spread a fat dollop of clotted cream on her scone.

When applied, these components form a fibrin structure resembling the body's natural clotting and tissue repair processes.

Serpins help regulate many processes in the body, including blood clotting and immune responses, and several members of this family appear to help keep tissue breakdown and tissue repair in balance.

Its popularity plummeted in 2003 when the government-funded Women’s Health Initiative trial was abruptly halted because of signs it caused an increased risk of blood clots, stroke, and breast cancer.