Hess A
Acta Anat (Basel). 1977;97(3):307-16. doi: 10.1159/000144747.
The ninth nerve was severed and the rat carotid body studied in the light and electron microscopes and after formaldehyde-induced fluorescence for its catecholamine content from 3 weeks to 13 months after operation. Minimal changes in the carotid body were observed. Hyperthrophy of the capsule cell was noticed up to about 2 months, after which time these cells appeared normal. Lysosomes in the capsule cells occurred more frequently and were larger than in normal carotid bodies. Discernible pathological alterations did not occur in the glomus cells, despite the absence of afferent terminals upon them. Atrophy of the carotid body was not noticed. The catecholamine content of the denervated carotid body was comparable to its innervated control and no nerve terminals were found on the glomus cells. Autonomic ganglion cells intrinsic to the carotid body varied in number from 1 to 8 and in location. The glomus cells do not receive any significant autonomic innervation, and the ganglion cells in the carotid body, perhaps sympathetic, probably innervate blood vessels. It is concluded that deafferentation has minimal morphological effects on the carotid body. The reactions of other receptor cells to deafferentation are compared with those of the glomus cells.
切断第九神经，对大鼠颈动脉体进行光镜和电镜研究，并在甲醛诱导荧光后，观察术后3周～13个月其儿茶酚胺含量。观察到颈动脉体的变化极小。在术后约2个月内可见被膜细胞肥大，此后这些细胞外观正常。被膜细胞中的溶酶体比正常颈动脉体中的出现得更频繁且更大。尽管球细胞上没有传入终末，但未发现明显的病理改变。未观察到颈动脉体萎缩。去神经支配的颈动脉体的儿茶酚胺含量与其有神经支配的对照相当，且在球细胞上未发现神经终末。颈动脉体固有的自主神经节细胞数量从1至8不等，位置也各不相同。球细胞未接受任何显著的自主神经支配，颈动脉体中的神经节细胞可能是交感神经节细胞，可能支配血管。结论是，传入神经切断对颈动脉体的形态学影响极小。将其他感受器细胞对传入神经切断的反应与球细胞的反应进行了比较。
