PCAT Meaning by word

(*) brand name for a drug that is used to treat erectile dysfunctions; a selective inhibitor of cyclic guanosine monophosphate

(*) sac that contains the testis and epididymus outside of the abdomen

(*) fibers located throughout the cytoplasm of a cell

(*) any reaction occurring between atoms or compounds can be written with the reactants on the left and the products on the right separated by arrows showing the direction of the reaction