Progression of a mitral cell (IMAGE) Kyushu University Caption At an early stage of mouse development, the mitral cells connect to multiple glomeruli. As development progresses, excess branches are pruned away, and eventually each mitral cell establishes a single branch to only one glomerulus innervating for a single odor. Credit Kyushu University/Imai Lab Usage Restrictions Only for media and non-commercial use. Credit accordingly. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.