(1) A nonspecific term for any condition that affects multiple arteries. (2) Polyarteritis nodosa, see there. (pol'Ä-ahr'tÄr-Ä«'tis) Simultaneous inflammation of a number of arteries. inflammatory and degenerative lesions of the arterial walls in a number of isolated locations.
The Border Collie comes in two coat varieties: rough or smooth. Both varieties are double coat and weather resistant and are close fitting and thick. The outer coat is either wavy or straight and coarse in texture. The under coat is dense, short, and soft. The rough coat variety has fur of medium length.
The Border Collie was originally called the Scotch Sheep Dog and originated in Northumberland along the borders of Scotland and England. It is a descendant from dogs used by the Vikings to herd reindeer, the old British droving breeds, with spaniel added.he Border Collie was originally called the Scotch Sheep Dog and originated in Northumberland along the borders of Scotland and England. It is a descendant from dogs used by the Vikings to herd reindeer, the old British droving breeds, with spaniel added.