The most common symptoms of bladder cancer in pets are the presence of blood in the urine, frequent urination with straining, and painful urination. It is important to differentiate bladder cancer from a urinary tract infection and urinary tract stones, which may cause similar symptoms.he most common type of bladder cancer is transitional cell carcinoma. Other less common cancers include adenocarcinomas, squamous cell carcinomas, and fibromas.
Definition of CHEMICAL for Kids. : any substance (as an acid) that is formed when two or more other substances act upon one another or that is used to produce a change in another substance.Spanish Central: Spanish translation of chemical. chemical. noun. : any substance (as an acid) that is formed when two or more other substances act upon one another or that is used to produce a change in another substance.
Chemical changes occur when a substance combines with another substance to form a new substance. These are called chemical reactions and they are irreversible or very hard to â¦reverse. When a chemical reaction takes place, the atoms are rearranged and the reaction is accompanied by an energy change when the new products are formed.