title: A simple device for harvesting biological fluids at the microscopic level.
mesh_terms: D000242:Cyclic AMP / Q000032:analysis; D003584:Cytological Techniques / Q000295:instrumentation*; D004023:Dictyostelium / Q000032:analysis; D013048:Specimen Handling / Q000295:instrumentation*
chemical_list: D000242:Cyclic AMP