See Also: phaeochromocytoma(medicine)

Einstein (iou) and phaeochromocytoma (medicine)


Einstein (iou)



Einstein noun. E20.
[See EINSTEINIAN.]
Einstein effect, Einstein shift, the lengthening of the wavelength of radiation as a result of its passage through a strong gravitational field. E20.
(einstein.) A unit of quantity of light, equal to Avogadro's number of photons. M20.
Comb.: Einstein-Bose statistics = BOSE-EINSTEIN STATISTICS.

phaeochromocytoma (medicine)


phaeochromocytoma
<oncology, tumour> A normally benign neoplasia (neuroblastoma) of the chromaffin tissue of the adrenal medulla.

In culture, the cells secrete enormous quantities of catecholamines and can be induced to form neuron like cells on addition of for example) cyclic AMP or nerve growth factor. Excessive production of adrenaline and noradrenaline leads to secondary hypertension, sometimes paroxysmal.