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<?xml-stylesheet type="text/xsl" media="screen" href="/~d/styles/atom10full.xsl"?><?xml-stylesheet type="text/css" media="screen" href="http://feeds.feedburner.com/~d/styles/itemcontent.css"?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" gd:etag="W/&quot;CEcGSHk-cSp7ImA9WhRaFE4.&quot;"><id>tag:blogger.com,1999:blog-4506573765537558546</id><updated>2012-02-16T14:40:29.759-08:00</updated><category term="pdr ders notları" /><category term="nöronların işlevi" /><category term="sinir sistemi" /><category term="Asetilkolin" /><category term="nöropinefrin" /><category term="pdr" /><category term="Glutamat" /><category term="somatik sistem" /><category term="perifer sinir sistemi" /><category term="Duyusal Nöronlar" /><category term="fizyolojik psikoloji ders notları" /><category term="sinirler" /><category term="otonom sinir sistemi" /><category term="sinir fizyolojik psikoloji" /><category term="sinir sisteminin bölümleri" /><category term="nöronlar" /><category term="psikoloji ders notları" /><title>Psikolojik Danışmanlık ve Rehberlik - PDR</title><subtitle type="html" /><link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="http://psikolojikdurum.blogspot.com/feeds/posts/default" /><link rel="alternate" type="text/html" href="http://psikolojikdurum.blogspot.com/" /><author><name>Admin</name><uri>http://www.blogger.com/profile/13494319431353557475</uri><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="16" height="16" src="http://img2.blogblog.com/img/b16-rounded.gif" /></author><generator version="7.00" uri="http://www.blogger.com">Blogger</generator><openSearch:totalResults>4</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" type="application/atom+xml" href="http://feeds.feedburner.com/PsikolojikDanmanlkVeRehberlik-Pdr" /><feedburner:info uri="psikolojikdanmanlkverehberlik-pdr" /><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com/" /><entry gd:etag="W/&quot;DEMCQHgzeyp7ImA9WhRTEUo.&quot;"><id>tag:blogger.com,1999:blog-4506573765537558546.post-2677501896469903331</id><published>2011-11-01T12:41:00.000-07:00</published><updated>2011-11-01T12:41:01.683-07:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-11-01T12:41:01.683-07:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="otonom sinir sistemi" /><category scheme="http://www.blogger.com/atom/ns#" term="somatik sistem" /><category scheme="http://www.blogger.com/atom/ns#" term="sinir fizyolojik psikoloji" /><category scheme="http://www.blogger.com/atom/ns#" term="sinir sistemi" /><category scheme="http://www.blogger.com/atom/ns#" term="perifer sinir sistemi" /><category scheme="http://www.blogger.com/atom/ns#" term="sinir sisteminin bölümleri" /><category scheme="http://www.blogger.com/atom/ns#" term="pdr" /><title>Sinir Sisteminin Bölümleri</title><content type="html">&lt;div class="separator" style="clear: both; text-align: center;"&gt;&lt;a href="http://3.bp.blogspot.com/-pE9V8I9TM30/TrBJi8g5wVI/AAAAAAAAABo/52bxzSUJpHU/s1600/beyin.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"&gt;&lt;img border="0" height="296" src="http://3.bp.blogspot.com/-pE9V8I9TM30/TrBJi8g5wVI/AAAAAAAAABo/52bxzSUJpHU/s320/beyin.jpg" width="320" /&gt;&lt;/a&gt;&lt;/div&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;div&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Merkezi sinir sistemi, beyin ve omurilikteki bütün nöronları içerir. Perifer sinir sistemi beyin ve omuriliği vücudun diğer bölümlerine bağlayan sinirlerden ibarettir. Perifer sinir sistemi de somatik sistem ve otonom sisteme ayrılır.&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Somatik sisteme ait duyusal sinirler kas ve deriden gelen dışsal uyaranlardan alınan mesajları beyne iletirler .&amp;nbsp;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Otonom sinir sistemine ait sinirler , solunum , kalp atış hızı ve sindirim gibi süreçleri düzenleyen iç organlara doğru ve bu organlardan otonom sinir sistemine doğru çalışırlar.&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4506573765537558546-2677501896469903331?l=psikolojikdurum.blogspot.com' alt='' /&gt;&lt;/div&gt;
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&lt;a href="http://feedads.g.doubleclick.net/~a/_oJlGzahqe4VEpzb16Vlg3JUlVM/1/da"&gt;&lt;img src="http://feedads.g.doubleclick.net/~a/_oJlGzahqe4VEpzb16Vlg3JUlVM/1/di" border="0" ismap="true"&gt;&lt;/img&gt;&lt;/a&gt;&lt;/p&gt;&lt;img src="http://feeds.feedburner.com/~r/PsikolojikDanmanlkVeRehberlik-Pdr/~4/3H2ZKKd2cPM" height="1" width="1"/&gt;</content><link rel="replies" type="application/atom+xml" href="http://psikolojikdurum.blogspot.com/feeds/2677501896469903331/comments/default" title="Kayıt Yorumları" /><link rel="replies" type="text/html" href="http://psikolojikdurum.blogspot.com/2011/11/sinir-sisteminin-bolumleri.html#comment-form" title="0 Yorum" /><link rel="edit" type="application/atom+xml" href="http://www.blogger.com/feeds/4506573765537558546/posts/default/2677501896469903331?v=2" /><link rel="self" type="application/atom+xml" href="http://www.blogger.com/feeds/4506573765537558546/posts/default/2677501896469903331?v=2" /><link rel="alternate" type="text/html" href="http://feedproxy.google.com/~r/PsikolojikDanmanlkVeRehberlik-Pdr/~3/3H2ZKKd2cPM/sinir-sisteminin-bolumleri.html" title="Sinir Sisteminin Bölümleri" /><author><name>Admin</name><uri>http://www.blogger.com/profile/13494319431353557475</uri><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="16" height="16" src="http://img2.blogblog.com/img/b16-rounded.gif" /></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="http://3.bp.blogspot.com/-pE9V8I9TM30/TrBJi8g5wVI/AAAAAAAAABo/52bxzSUJpHU/s72-c/beyin.jpg" height="72" width="72" /><thr:total>0</thr:total><feedburner:origLink>http://psikolojikdurum.blogspot.com/2011/11/sinir-sisteminin-bolumleri.html</feedburner:origLink></entry><entry gd:etag="W/&quot;DkANRX88fip7ImA9WhdbGUo.&quot;"><id>tag:blogger.com,1999:blog-4506573765537558546.post-1069735310477224064</id><published>2011-10-18T14:53:00.000-07:00</published><updated>2011-10-18T14:53:14.176-07:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2011-10-18T14:53:14.176-07:00</app:edited><category scheme="http://www.blogger.com/atom/ns#" term="psikoloji ders notları" /><category scheme="http://www.blogger.com/atom/ns#" term="fizyolojik psikoloji ders notları" /><category scheme="http://www.blogger.com/atom/ns#" term="sinir fizyolojik psikoloji" /><category scheme="http://www.blogger.com/atom/ns#" term="pdr ders notları" /><category scheme="http://www.blogger.com/atom/ns#" term="sinirler" /><category scheme="http://www.blogger.com/atom/ns#" term="sinir sistemi" /><category scheme="http://www.blogger.com/atom/ns#" term="pdr" /><title>Sinirler</title><content type="html">&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Sinirler yüzlerce yada binlerce nörondan çıkan akson uzantılarından oluşmuş bir demettir. Tek bir sinirde hem duyusal hem de motor nörondan çıkan aksonlar yer alabilir.&lt;br /&gt;
&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Glial hücre sinir sistemi nöronlarına ek olarak sinir hücresi olmayan hücrelerdir. Bu hücreler sinirler arasında dağılmış ve çoğu kez nöronların 9 katına kadar fazladır. &amp;nbsp;Ve beyin hacminin yarıdan fazlasını oluşturur. &amp;nbsp;Glial hücreler nöronları yerinde tutan yapısal destek sağlarlar. Nöronların sağlığı açısından yaşamsal olan besinleri sağlarlar ve nöral ortamı sinapslardan sonra temizleyerek beynin temiz kalmasını ve böylece nöronların itici gönderme yeteneğinin korunmasını sağlarlar. İnsan beyninde 10 milyardan 1 trilyona kadar nöron bulunmakla birlikte milyar hücrelerinin sayısı nöronların 9 katıdır . Milyar hücrelerin denetim dışı çoğalması beyin tümörlerine neden olur.&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4506573765537558546-1069735310477224064?l=psikolojikdurum.blogspot.com' alt='' /&gt;&lt;/div&gt;
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&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Sinir sistemi boyunca pek çok sinapsta bulunur. Özellikle ön beyinin hipokampüs bölgesinde geçerlidir.&lt;br /&gt;
Asetilkolin bir iskelet kas lifinde sona eren bir nöronun her sinapsında serbest bırakılır. Asetilkolin kas hücresinde uç levhalar denilen küçük yapılara yöneltilir. Uç levhalar reseptör molekülleri ile kaplıdır. Bu moleküller asetilkolin ile harekete geçirildiklerinde kas hücresinin içindeki bir moleküler bağlantıyı ateşler . Bu da kasların kasılmasına yol açar.&lt;br /&gt;
&lt;br /&gt;
Nöropinefrin ( NE )&lt;br /&gt;
&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Beyin sapındaki nöronların ürettiği bir transmiterdir.&lt;br /&gt;
Glutamat&lt;br /&gt;
&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;En çok merkezi sinir sistemi nöronlarında bulunur&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/4506573765537558546-6767447585710957025?l=psikolojikdurum.blogspot.com' alt='' /&gt;&lt;/div&gt;
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