(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.
Border Collies are the fanatical black and white dogs that have been bred to herd sheep. They come in an assortment of sizes and colors, though they generally range from about 30 to 60 pounds and their typical markings are black with a white collar, chest, head stripe (blaze), paws, and tail tip.