(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.
A border collie is more intelligent dog and can remember better than a welsh sheepdog but they both are great farm dogs. Two totally different breeds of dog. The welsh sheepdo â¦ g has a wider muzzle and a broader chest then a border collie.3 people found this useful.f a Shetland Sheepdog were the same size as a Collie, it would be a much stockier dog with heavier bone. The head of the Shetland Sheepdog is comparitively shorter and wider in the back, the eye is a bit larger and there is usually a distinct stop between the head and the muzzle when viewed from the side.