The intestinal lining has the biggest concentration of rapidly dividing cells in a puppy's body. (austindog.org)
The virus attacks rapidly dividing cells in a dog's body, most severely affecting the intestinal tract. (sanantoniopetsalive.org)
Unfortunately, normal healthy cells can also be damaged or destroyed by the radiation, particularly actively dividing cells like those of the intestinal lining, bone marrow and immune system. (brittonroadveterinaryclinic.com)