{"id":6771,"date":"2019-04-21T10:50:20","date_gmt":"2019-04-21T08:50:20","guid":{"rendered":"https:\/\/aa-pnh.org\/?page_id=6771"},"modified":"2026-04-04T15:28:37","modified_gmt":"2026-04-04T13:28:37","slug":"function-of-the-bone-marrow","status":"publish","type":"page","link":"https:\/\/aa-pnh.org\/tr\/diseases\/function-of-the-bone-marrow\/","title":{"rendered":"Kemik ili\u011finin i\u015flevi (Function of the Bone Marrow)"},"content":{"rendered":"<h1><span style=\"color: #9e0e6d;\">Kemik ili\u011finin i\u015flevi<\/span><\/h1>\n<\/p>\n<p><!-- Inhalt --><\/p>\n<h4><a href=\"#kmfunktion\">1 Kemik ili\u011finin i\u015flevi<\/a><\/span><\/h4>\n<h4><a href=\"#kmstammzelle\">2 kemik ili\u011fi k\u00f6k h\u00fccreleri<\/a><\/span><\/h4>\n<h4><a href=\"#kmstoerung\">3 Kemik ili\u011fi i\u015flev bozukluklar\u0131 (Kemik ili\u011fi yetersizli\u011fi)<\/a><\/span><\/h4>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n<h2><a name=\"kmfunktion\"><\/a><span style=\"color: #9e0e6d;\">1 Kemik ili\u011finin i\u015flevi<\/span><\/h2>\n<p>Yass\u0131 kemiklerin i\u00e7inde bulunan kemik ili\u011fi, her t\u00fcrl\u00fc kan h\u00fccresinin \u00fcretildi\u011fi yerdir. \u00dc\u00e7 farkl\u0131 h\u00fccre serisinden s\u00f6z edilebilir: <strong>alyuvarlar<\/strong> (<em>eritrositler<\/em>), <strong>akyuvarlar<\/strong> (<em>l\u00f6kositler<\/em>), kan <strong>pulcuklar\u0131<\/strong> (<em>trombositler<\/em>).<\/p>\n<ul>\n<li><strong>Alyuvarlar<\/strong> kendilerine ve kana o \u00f6zg\u00fcn rengini veren <em>hemoglobin<\/em> adl\u0131 maddeyi i\u00e7erir. <em>Hemoglobin<\/em>akci\u011ferlerden v\u00fccudun di\u011fer t\u00fcm b\u00f6lgelerindeki dokulara (<em>periferik<\/em> dokulara) oksijen aktar\u0131m\u0131 ve akci\u011ferlere geri karbondioksit ta\u015f\u0131nmas\u0131 i\u00e7in \u00f6nemlidir.<\/li>\n<li><strong>Akyuvarlar<\/strong> v\u00fccudun savunmas\u0131ndan sorumlu olan ba\u011f\u0131\u015f\u0131kl\u0131k sistemi kapsam\u0131nda \u00f6rne\u011fin vir\u00fcs, bakteri veya mantar enfeksiyonlar\u0131na kar\u015f\u0131 koruma sa\u011flarlar. Bunlar <em>gran\u00fclositler<\/em> ve <em>lenfositler<\/em> adl\u0131 iki alt gruba ayr\u0131l\u0131rlar.<\/li>\n<li>Kan <strong>pulcuklar\u0131<\/strong> kanaman\u0131n durmas\u0131nda \u00f6nemli i\u015fleve sahiptir.<\/li>\n<\/ul>\n<p>Kemik ili\u011fi taraf\u0131ndan s\u00fcrekli olarak \u00fcretilen yeni kan h\u00fccreleri, belli bir olgunla\u015fma s\u00fcrecinin ard\u0131ndan kana kar\u0131\u015f\u0131rlar (bak\u0131n\u0131z \u015eekil 1). Ya\u015fam s\u00fcreleri s\u0131n\u0131rl\u0131d\u0131r: <em>Eritrositler<\/em>de ya\u015fam s\u00fcresi yakla\u015f\u0131k 4 ay, <em>l\u00f6kositler<\/em>de sadece birka\u00e7 saat, <em>trombositler<\/em>de ise birka\u00e7 g\u00fcn kadard\u0131r.<\/p>\n<div style=\"width: 614px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/aa-pnh.org\/wp-content\/uploads\/KM_Haematopoese_web.jpg\" alt=\"Kemik ili\u011finin i\u015flevi: Hematopoezin \u015fematik g\u00f6sterimi\" width=\"604\" height=\"634\" \/><p class=\"wp-caption-text\"><i>Kan yap\u0131m\u0131<\/i> (basitle\u015ftirilmi\u015f \u015fema)<\/p><\/div>\n<p>Normalde, d\u00fczenleyici mekanizmalar v\u00fccudun gereksinim duydu\u011fu miktarda yeni kan cisimci\u011fi \u00fcretilmesini sa\u011flar.S\u00f6z gelimi bir kans\u0131zl\u0131k (<em>anemi<\/em>) ya da kanama sonucu alyuvarlar\u0131n say\u0131s\u0131nda azalma olmas\u0131 durumunda bunlar\u0131n v\u00fccuttaki \u00fcretimi artar. B\u00fcnyenin bir enfeksiyonla m\u00fccadele etmesi gerekti\u011finde, kemik ili\u011fi artan say\u0131da akyuvar \u00fcretir.<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"kmstammzelle\"><\/a><span style=\"color: #9e0e6d;\">2 kemik ili\u011fi k\u00f6k h\u00fccreleri<\/span><\/h2>\n<p>Kemik ili\u011finde bulanan ve yeni kan h\u00fccreleri \u00fcretimine olanak tan\u0131yan kan k\u00f6k h\u00fccrelerinin say\u0131s\u0131 \u00e7ok d\u00fc\u015f\u00fckt\u00fcr. Burada sadece b\u00fct\u00fcn\u00fcyle olgun kan h\u00fccreleri de\u011fil, yeni k\u00f6k h\u00fccreler de \u00fcretilir ki bu sayede s\u00fcrekli yeni h\u00fccre olu\u015fumu d\u00f6ng\u00fcs\u00fc devam ettirilebilir.<\/p>\n<p>K\u00f6k h\u00fccrenin ve mikro-\u00e7evresinin hasars\u0131z olmas\u0131 durumunda, sa\u011fl\u0131kl\u0131 kan ve k\u00f6k h\u00fccre \u00fcretimi normal bir bi\u00e7imde ger\u00e7ekle\u015ftirilebilir. Ama bu iki \u00f6\u011feden birinde dahi bir hata s\u00f6z konusu olursa, h\u00fccre \u00fcretiminde komple kemik ili\u011fi yetersizli\u011fine varabilen bir bozukluk meydana gelir.<\/p>\n<p>&nbsp;<\/p>\n<h2><a name=\"kmstoerung\"><\/a><span style=\"color: #9e0e6d;\">3 Kemik ili\u011fi i\u015flev bozukluklar\u0131 (Kemik ili\u011fi yetersizli\u011fi)<\/span><\/h2>\n<p>Kemik ili\u011finin h\u00fccre \u00fcretiminde bir bozukluk oldu\u011funda yeterli say\u0131da kan h\u00fccresi olu\u015famayacakt\u0131r (<em>kemik ili\u011fi hipoplazisi<\/em>). \u0130lgili bozuklu\u011fun <em>eritrosit<\/em> mi, <em>l\u00f6kosit<\/em> mi yoksa <em>trombosit<\/em> \u00fcretiminde mi oldu\u011funa ba\u011fl\u0131 olarak solgunluk, enfeksiyona yatk\u0131nl\u0131k veya kanamalar gibi bulgularla kar\u015f\u0131la\u015f\u0131l\u0131r.\u00a0 Her \u00fc\u00e7 h\u00fccre serisinin \u00fcretiminde birden bozukluk olmas\u0131 (<em>pansitopeni<\/em>) halinde, bir kemik ili\u011fi yetersizli\u011fi (<em>kemik ili\u011fi aplazisi<\/em>) s\u00f6z konusu demektir.<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kemik ili\u011finin i\u015flevi 1 Kemik ili\u011finin i\u015flevi 2 kemik ili\u011fi k\u00f6k h\u00fccreleri 3 Kemik ili\u011fi i\u015flev bozukluklar\u0131 (Kemik ili\u011fi yetersizli\u011fi) &nbsp; &nbsp; 1 Kemik ili\u011finin i\u015flevi Yass\u0131 kemiklerin i\u00e7inde bulunan kemik ili\u011fi, her t\u00fcrl\u00fc kan h\u00fccresinin \u00fcretildi\u011fi yerdir. \u00dc\u00e7 farkl\u0131 h\u00fccre serisinden s\u00f6z edilebilir: alyuvarlar&#8230;<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":6464,"menu_order":25,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6771","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/pages\/6771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/comments?post=6771"}],"version-history":[{"count":18,"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/pages\/6771\/revisions"}],"predecessor-version":[{"id":9162,"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/pages\/6771\/revisions\/9162"}],"up":[{"embeddable":true,"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/pages\/6464"}],"wp:attachment":[{"href":"https:\/\/aa-pnh.org\/tr\/wp-json\/wp\/v2\/media?parent=6771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}