(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 Collie Scotch Sheep Dog and Sheepdog. The Border Collie is a dog breed, often cited as the most intelligent of all dogs.Highly energetic, they are used on farms to assist with the herding of livestock and are also companion animals. See all Dog Breeds.