part of part of in taxon results in development of olfactory bulb development anatomical structure development olfactory bulb mitral cell layer development dph The progression of the olfactory bulb mitral cell layer over time from its initial formation until its mature state. The mitral cell layer is composed of pyramidal neurons whose cell bodies are located between the granule cell layer and the plexiform layer. 2010-02-09T03:30:23Z GO:0061034 Chordata olfactory bulb mitral cell layer