TH-positive cells are observed in the SCG and the cell bodies are round or oval, TH-positive cells are also observed in SIF cells(small intensely fluorescent cells).

• 在颈上神经节内发现了TH阳性细胞,细胞体为圆形或卵圆形。 TH免疫反应亦见于小强荧光细胞(SIF cells)。