Figure 1: The finely macerated olfactory bulbs harvested from 2-day-old Neonate of Sprague–Dawley strain were placed in a T-25 flask containing F12 medium, pH7.4 at 37°C in the humidified 5% CO2. The OECs, morphologically characterized on day 5 (A), day 9 (B) and day 13 (C; displaying confluency with presence of two major cell types, the smaller, spindle shaped astrocyte like cells and the flattened bigger structures resembling Schwann cells) through Nikon Eclipse Ti Phase Contrast Microscope and photographed with magnification 10X and 40X.