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Call Stack
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10.0003363568{main}( ).../index.php:0
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( ! ) Deprecated: Function Yoast\WP\SEO\Conditionals\Schema_Blocks_Conditional::get_feature_flag is <strong>deprecated</strong> since version Yoast SEO 20.5 with no alternative available. in /var/www/vhosts/strokeneurosurgeon.hk/httpdocs/wp-includes/functions.php on line 5423
Call Stack
#TimeMemoryFunctionLocation
10.0003363568{main}( ).../index.php:0
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50.0023463264require_once( '/var/www/vhosts/strokeneurosurgeon.hk/httpdocs/wp-settings.php ).../wp-config.php:92
60.383135439600do_action( $hook_name = 'init' ).../wp-settings.php:623
70.383135439976WP_Hook->do_action( $args = [0 => ''] ).../plugin.php:517
80.383135439976WP_Hook->apply_filters( $value = '', $args = [0 => ''] ).../class-wp-hook.php:332
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140.572145325760trigger_error( $message = 'Function Yoast\\WP\\SEO\\Conditionals\\Schema_Blocks_Conditional::get_feature_flag is <strong>deprecated</strong> since version Yoast SEO 20.5 with no alternative available.', $error_type = 16384 ).../functions.php:5423
透視腦神經系統 – 香港微創腦及脊椎神經外科手術中心

透视脑神经系统

一般人总有兴趣去了解脑部疾病,但是尽管阅读或听到许多资讯,也不见得到正确的知识被报导,甚至有许多难以理解的内容。而且,医学的进展日新月异,新的真相陆续被厘清。脑袋是非常复杂的器官,至今还有许多人类尚未解开的谜题,针对认识脑部疾病,要取得正确知识,我们便要由认识脑神经系统开始了。

一般我们所谓的中枢神经系统可分成脑部及脊髓两部分,前者包括大脑、脑干及小脑,而后者则包括 8 节颈脊髓、12 节胸脊髓、5 节腰脊髓及 5 节荐脊髓。相对于中枢神经的周边神经系统,则包括 12 对颅脑神经、30 对脊神经,以及交感、副交感两大部分的自主神经系统。

大脑分为左右两半球,大脑半球中央部分有基底核。从外表来看可将大脑半球分成几个叶,前面部分、大概是在额头的地方称为额业,在头顶的部分是顶叶,睡觉靠着枕头的地方是枕叶,在额叶及顶叶的下面是颞叶,也就是位于一般俗称太阳穴的位置。

大脑半球下端连着脑干,脑干具有控制吞咽、呼吸及心跳等维持生命的功能,可细分为中脑、桥脑及延髓三部分。脑干部分发出 12 对颅脑神经处理脑神经讯息的神经核。因此,医学常以「脑干死亡」作为对一个人失去生命的标准。

小脑是位于后颅窝的脑组织,小脑在感觉感知,协调性和运动控制中扮演重要角色。小脑通过丘脑等通路与大脑皮层相连,从而支配运动协调性的作用。

脊髓是延伸自脑干,由脊椎保护着。脊椎会在颈及腰部扩展,在脊椎的外围是神经的白质道,其中有感觉及运动神经元,用来传导感觉讯息与运动指令。

大腦結構

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