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.
A chemical change is a dissociation, recombination, or rearrangement of atoms. compound Compare with element and mixture. A compound is a material formed from elements chemically combined in definite proportions by mass. For example, water is formed from chemically bound hydrogen and oxygen.ompare with molecule and ion. An atom is the smallest particle of an element that retains the chemical properties of the element. Atoms are electrically neutral, with a positively charged nucleus that binds one or more electrons in motion around it.