See Also: Bittner virus(medicine)
Bittner agent(medicine)
Bittner, John(medicine)
Bittner's milk factor(medicine)
magnetic(dictionary)
magnetic(dictionary)
Magnetic(medicine)
bovine virus diarrhoea virus(medicine)
magnetic field(encyclopedia)
magnetic implant(medicine)

magnetic dipole (sh) and Bittner virus (medicine)


magnetic dipole (sh)




Tiny magnet with subatomic dimensions, equivalent to the flow of electric charge around a loop.

Examples include electrons circulating around atomic nuclei, rotating atomic nuclei, and single subatomic particles with spin. On a large scale, these effects may add together, as in iron atoms, to make magnetic compass needles and bar magnets, which are macroscopic magnetic dipoles. The strength of a magnetic dipole, its magnetic moment, is a measure of its ability to turn itself into alignment with a given external magnetic field. When free to rotate, dipoles align themselves so that their moments point predominantly in the direction of the magnetic field. The SI unit for dipole moment is the ampere-square metre.


Bittner virus (medicine)


Bittner virus -->
mammary tumour virus of mice
Member of the retrovirus subfamily Oncornavirinae, antigenically distinct from the murine leukaemia-sarcoma complex, that is associated with adenocarcinomatous tumours of the mammary gland, commonly latent in wild and laboratory mice and causing cancer only in genetically susceptible strains under certain hormonal influences.

Synonym: Bittner agent, Bittner virus, Bittner's milk factor, mammary cancer virus of mice, milk factor, mouse mammary tumour virus.