The effects of morphine, cocaine, amphetamine and hashish on the phagocytosis of the protozoon Tetrahymena pyriformis strain W.

Cells of the ciliated protozoon Tetrahymena pyriformis, strain W, grown in a peptone-yeast medium usually contain many phagocytic vacuoles. The phagocytic activity of this protozoon was studied in vivo using heat-killed yeast stained with carmine dye and after exposing the cultures for 2 hr to morphine (20 mug/ml), cocaine (20 mug/ml), amphetamine (0.5 mug… CONTINUE READING