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以卵圆孔和下颌神经为主要标志，用颅内、外相结合的显露方法，在刚出卵圆孔的下颌神经腹内侧获取大鼠的耳神经节１４个，再切片后美蓝染色，显微镜下观察和测量耳神经节的形态特点及主神经元数。大鼠耳神经节为０．９６ｍｍ×０．４７ｍｍ×０．６８ｍｍ的圆锥形或卵圆形，其主神经元数为（１４９４．８±２８１．８）个。认为本文显露耳神经节的途径直捷、可靠，美蓝染色观察神经节的方法简易快速，不失为初步研究周围神经节形态的有效方法。
With foramen ovale and mandibular nerve as the main signs, using the combination of intracranial and external exposure method, the foramen of the mandibular nerve just foramen ovale to obtain 14 of the otic ganglion, and then slice methylene blue staining, microscopy Observed and measured under the morphology of the ear ganglion and the main neurons. The rat ear ganglion was conical or oval with a diameter of 0.96 mm × 0.47 mm × 0.68 mm, and the number of its main neurons was (1494.8 ± 281.8). It is considered that the method of revealing the otic ganglia in this paper is straightforward and reliable. The method of observing the ganglia with methylene blue staining is simple and quick, which is an effective method for preliminary study of the morphology of the peripheral ganglia.