目的：观察大鼠前庭神经核群向动眼神经核的投射纤维特征。
AIM: to observe the characteristics of projection fibers from vestibular nucleus to oculomotor nucleus OMN in rats.
注射部位在动眼神经核的背侧，没有影响动眼神经核的腹侧。
Injection on the dorsal parts of OMN did not affect the ventral parts of OMN.
注射到动眼神经核的外部累及内侧纵束和动眼神经核的少部分。
Injection in exterior OMN affected little parts of medial longitudinal fasciculus and OMN.
血管密度较高的核团有下丘核、动眼神经核、滑车神经核和红核；
The high density nuclei are inferior collicular nucleus, oculomotor nucleus, trochlear nucleus and red nucleus.
中等密度淡染的阳性神经元胞体、纤维和终末见于动眼神经核、滑车神经核和舌下神经核；
Medium density and lightly stained GABA BR1-LI neuronal cell bodies, fibers and terminals were observed in the oculomotor nucleus, trochlear nucleus and hypoglossal nucleus.
各组动物对照侧动眼神经核内神经丝蛋白免疫反应阳性神经元数目和灰度值差异无显著性（P>0.05）。
The number of neurofilament protein immune-positive neurons and gray scale in contralateral oculomotor nucleus in all groups had no significant differences (P > 0.05).
各营养因子组术侧动眼神经核的神经丝蛋白免疫反应阳性神经元数目和免疫染色强度均明显高于生理盐水组（P<0.05）；
The neurofilament protein immune-positive neurons and gray scale in ipsilateral oculomotor nucleus in all neurotrophic groups were significantly increased compared with normal saline group (P< 0.05).
各营养因子组术侧动眼神经核的神经丝蛋白免疫反应阳性神经元数目和免疫染色强度均明显高于生理盐水组（P<0.05）；
The neurofilament protein immune-positive neurons and gray scale in ipsilateral oculomotor nucleus in all neurotrophic groups were significantly increased compared with normal saline group (P< 0.05).
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