<prompt> Mitral and periglomerular cells are seen inMedullaOlfactory bulbPrimary visual cortexGeniculate body  <response>: Ans. b Olfactory bulbRef: Ganong, 25th edp.217Olfactory bulb has got special synaptic units called olfactory glomeruli where four types of cells are seen namely,Mitral cellsTufted cellsGranule cellsPeriglomerular cells 