目的：研究小鼠下丘脑大细胞神经元在生后各发育阶段超微结构的变化规律。
Objective: To study the rule of the magnocellular neurons development in mouse hypothalamus during the development of the postnatal life.
生长抑素样神经元以中、小型细胞为主，室旁核内见有少量大细胞。
Most SRIF positive neurons were small or medium sized, but a few large cells were observed in PVN.
结果在P物质免疫反应阳性的神经元和神经纤维周围散在着肥大细胞。
Results The result showed that mast cell located near substance P positive neurons.
同时发现室旁核、室周核、室周弓状核及视前大细胞核的VP阳性神经元有突起伸入到第三脑室室管膜或突出于脑室腔，视上核的VP阳性神经元也有突起投射至脑基底神经胶质板上或伸至蛛网膜下腔。
The process of VP-like cells in PVN, PN, AN and POM projected towards the third ventricle, and the process in SON towards the glial lamina in the basal surface of the brain or subdural space.
同时发现室旁核、室周核、室周弓状核及视前大细胞核的VP阳性神经元有突起伸入到第三脑室室管膜或突出于脑室腔，视上核的VP阳性神经元也有突起投射至脑基底神经胶质板上或伸至蛛网膜下腔。
The process of VP-like cells in PVN, PN, AN and POM projected towards the third ventricle, and the process in SON towards the glial lamina in the basal surface of the brain or subdural space.
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