Chromaffin cell. Chromaffin cells, also pheochromocytes, are neuroendocrine cells found mostly in the medulla of the adrenal glands (located above the kidneys) in mammals.
The elements sodium (Na) and potassium (K) have been detected in the Moon's atmosphere using Earth-based spectroscopic methods, whereas the isotopes radon -222 and polonium -210 have been inferred from data obtained by the Lunar Prospector alpha particle spectrometer.
Tags Space, SciTech, Vessels, NASA. Â­Saturnâs largest moon Titan is one of the few objects in our system that can boast a true atmosphere. The moon also has developed a climate, with oceans and lakes of methane and ethane on its surface.