<prompt> The cystic form of all are seen in man except -E. histolyticaGiardiaTrichomonasToxoplasma  <response>: The trichomonas are flagellate Protozoa with 3 to 5 anterior flagella.These flgellates exist only in the tropozoite phase and there is no cystic phase refer pgno:33 baveja 3 rd edition 