ITP is an autoimmune disease with antibodies detectable against several platelet surface structures. Every diamond contains atoms other than carbon in concentrations detectable by analytical techniques. Some neutron stars emit beams of electromagnetic radiation that make them detectable as pulsars. Areas are seldom measured with sufficient accuracy for the different definitions to be detectable. The decrease to zero detectable distinction must be discontinuous. Ten percent have no detectable mutation. Sometimes pain arises in the absence of any detectable stimulus, damage or disease. This is defined as the presence of detectable viral replication for at least six months. This is the highest dilution of the serum at which autoantibodies are still detectable. The presence of remaining matter, and absence of detectable remaining antimatter, is called baryon asymmetry. Near-infrared is the region closest in wavelength to the radiation detectable by the human eye. Salivary stimulants are probably only useful in people with some remaining detectable salivary function. When predators are close enough to produce detectable vibration, the embryos assess disturbance. In rare cases, the original ingredients are present at detectable levels. Pollutants are exceedingly small and not easily detectable or removable.