M

Mammary Neoplasia Tumours in the mammary glands. Such tumours often spread secondarily to the lungs in bitches Mange A parasitic skin disease of dogs caused by various mange mites. Mastitis Inflammation of the mammary gland. Meningitis Inflammation of the outer covering of the brain. Metritis Inflammation of the uterus Myasis Fly strike - flies lay eggs on soiled areas on the skin; these hatch into maggots which live on the dog's tissue. Veterinary consultation is needed immediately Myocarditis Inflamnaation of the heart muscle.