脑室系统主要由侧脑室、第三脑室、第四脑室组成(图4-1,图4-2)。脑室系统结构列表描述如下。
表4-1 脑室系统及组成
1.侧脑室额角 frontal horns of the lateral ventricle;2.侧脑室体部 body of the lateral ventricle;3.侧脑室房部(三角部)triangular part(atrium part)of the lateral ventricle;4.侧脑室枕角 occipital horn of the lateral ventricle;5.侧脑室颞角 tempora l horn of the lateral ventricle;6.室间孔 foramen of monro;7.第三脑室 third ventricle;8.中脑水管 midbrain aqueduct;9.第四脑室 fourth ventricle
图4-1 脑室铸型模型
1.侧脑室 lateral ventricle;2.室间孔 interventricular foramen;3.中间块 massa intermedia;4.第三脑室 third ventricle;5.视交叉 optic chiasma;6.乳头体 mammillary body;7.松果体 pineal body;8.四叠体 quadrigeminal bodies;9.中脑水管 midbrain aqueduct;10.第四脑室 fourth ventricle;11.前连合 anterior commissure;12.终板 terminal lamina;13.尾状核 caudate nucleus;14.丘脑 thalamus
图4-2 脑室系统正中矢状位及相关结构
1.侧脑室额角 frontal horn of the lateral ventricle;2.侧脑室体部 body of the lateral ventricle;3.脉络丛 choroid plexus;4.侧脑室房部(三角)triangular(atrium part)part of the lateral ventricle;5.侧脑室枕角 occipital horn of the lateral ventricle;6.侧脑室颞角 temporal horn of the lateral ventricle
图4-3 侧脑室内部结构
A中的Ⅰ、Ⅱ、Ⅲ分别对应图B、C、D的内镜视野
1.室间孔 interventricular foramen;2.中间块 massa intermedia;3.乳头体 mamillary body;4.中脑导水管 midbrain aqueduct;5.漏斗隐窝 infundibular recess;6.第三脑室底 floor of the third ventricle;7.中脑 midbrain
图4-4 内镜下不同方位三脑室内部结构
1.闩 obex;2.外侧孔 lateral aperture;3.正中沟 median sulcus;4.薄束结节 gracile tubercle;5.楔束结节 cuneate tubercle;6.上髓帆 superior medullary velum;7.下髓帆 inferior medullary velum;8.正中孔 foramen of magendie
图4-5 第四脑室结构
(邱明兴 汪潮湖 李明洲;标本制作:石瑾 刘畅)
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