乙状窦形态学研究

Morphological Study of Rabbit’s Sigmoid Venous Sinus

目的 探讨硬脑膜静脉窦的组织结构。方法 运用组织化学、 Ａ Ｂ Ｃ免疫组织化学和电镜技术对家兔各部的静脉窦加以研究。结果 硬脑膜静脉窦有平滑肌存在，其存在部位分布在乙状窦，其它部位未有发现，并且证实了所存在的这些平滑肌接受胆碱能神经纤维的支配。结论 有平滑肌的硬脑膜静脉窦可参与对颅内容量的调节。

Objective To study the morphology of venous sinus in rabbits.Methods With histochemical,immunohistochemical technique (ABC mthod) and electron microscopy to observe the structure of the sigmoid venous sinus of the rabbit.Results It showed that in rabbits there was smooth muscle in sigmoid venous sinus only and was innervated by AchE positive nerve fibers.Conclusion The sigmoid venous sinus in rabbit has smooth muscle in its structure which might have an effect on regulating the cranial volume.