An antenna device usable in a radio apparatus including a printed board includes a ground conductor of the printed board, a first partial element, a second partial element and a parasitic element. The system comprises a magnetic resonance imaging subsystem and a non-MRI subsystem. The bit or reamer 16 has a bit face defining the cutting diameter of the drilled hole. Additionally, the warning signal light may be capable of displaying symbols, reverse characters, or arrows. The mounting portion has a guide portion that slides on a sliding surface of the outer surface of the mounting projecting portion with the relative rotation of the handle member and the bottle body, and guides the relative rotation. High affinity binding to said IGS4 polypeptides is found for the neuropeptides known as neuromedin U.