The olfactory neuroepithelium undergoes continual neurogenesis and, after extensive lesions, fully regenerates to maintain sensory function. The stem cell population underlying this regenerative capacity remains elusive.

• 嗅神经上皮可以进行连续的神经发生；遭受广泛的损害以后，还可以充分地重建以保持嗅觉。人们还不清楚支撑这种再生能力的干细胞数量。