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.
Diabetes mellitus occurs when your dog or cat has stopped producing insulin, has inadequate levels of insulin, or has an abnormal response to insulin. Learn more about what insulin is. In dogs, diabetes mellitus is common in middle-aged to older animals, especially in females, but it is also seen in young dogs of both sexes. When seen in younger animals, it can be a sign that your cat or dog is genetically predisposed to diabetesâthis can mean that related animals may also be predisposed. 3 Certain breeds of dogs also experience above-average rates of diabetes.