背侧丘脑由两个卵圆形的灰质团块借丘脑间粘合（中间块）连接而成，其前端的突出部为丘脑前结节，后端膨大称丘脑枕。
目的：探讨空间学习记忆时下丘脑和背侧丘脑突触素的变化。
Aim: to study the change of synaptophysin in the hypothalamus and dorsal thalamus during spacial learning and memory.
结论：1中央前沟首次出现在豆状核及内囊前肢出现而前连合及背侧丘脑尚未出现的1 ~ 2个断面上。
Conclusion: the precentral sulcus appears on the 1 2 sections that the lenticular nucleus and anterior limb of internal capsule appear but the anterior commissure and dorsal thalamus doesn't appear.
目的： 探讨脑室内血肿对丘脑背侧神经元是否具有毒性损伤作用。
Objective:To investigate whether the thalamic dorsal neurons suffer toxic damage from intraventricular hematoma.
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