The flexor tendons are smooth, flexible, thick strings which bend your fingers-they look a bit like clothesline rope. They work like a bicycle brake cable to bend your fingers, sliding in and out of the finger as it straightens and bends.he flexor tendons are smooth, flexible, thick strings which bend your fingers-they look a bit like clothesline rope. They work like a bicycle brake cable to bend your fingers, sliding in and out of the finger as it straightens and bends.
1 Travel and unfamiliar surroundings. 2  If your dogâs appetite was fine until you went on a trip with him or moved to a new location, it may be that your dog wonât eat because of traveling or the unfamiliar surroundings.hen a dog wonât eat, it is referred to as anorexia. This is different from anorexia nervosa, an eating disorder found in humans. Instead anorexia describes a complete loss of appetite in dogs.
Even dogs eating healthy diets can suffer from diabetes. As with diabetes in humans, sometimes a dogâs bodyâs stops producing enough insulin or the cells of a dogâs body are unable to use the insulin that is produced. When either condition occurs, the result is diabetes mellitus, which causes excessive thirst and urination and extreme hunger accompanied by weight loss. To stabilize sugar levels, insulin therapy is the treatment at the outset and is usually required for the life of the dog.