{"id":5061,"date":"2026-03-10T14:37:32","date_gmt":"2026-03-10T13:37:32","guid":{"rendered":"https:\/\/ncis.elte.hu\/?p=5061"},"modified":"2026-03-10T14:37:32","modified_gmt":"2026-03-10T13:37:32","slug":"a-csontok-felepitese-es-mukodese","status":"publish","type":"post","link":"https:\/\/ncis.elte.hu\/index.php\/2026\/03\/10\/a-csontok-felepitese-es-mukodese\/","title":{"rendered":"A csontok fel\u00e9p\u00edt\u00e9se \u00e9s m\u0171k\u00f6d\u00e9se"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">A csontok \u00e9l\u0151, folyamatosan \u00e1t\u00e9p\u00fcl\u0151 sz\u00f6vetek, amelyek egyszerre biztos\u00edtj\u00e1k a test szil\u00e1rds\u00e1g\u00e1t, a mozg\u00e1st \u00e9s az \u00e1sv\u00e1nyi anyagok rakt\u00e1roz\u00e1s\u00e1t. A csontanyagcsere egyens\u00falya a csont\u00e9p\u00edt\u0151 (oszteoblaszt) \u00e9s a csontbont\u00f3 (oszteoklaszt) sejtek \u00f6sszehangolt m\u0171k\u00f6d\u00e9s\u00e9n alapul. A fel- \u00e9s le\u00e9p\u00fcl\u00e9s eg\u00e9sz \u00e9let\u00fcnk sor\u00e1n zajlik; az egyes \u00e9letkori szakaszok k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9get a k\u00e9t folyamat ar\u00e1nya hat\u00e1rozza meg.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A csontsz\u00f6vet 30-40%-a szerves \u00e1llom\u00e1ny (kollag\u00e9nrostok, erek, idegek), amely a csont rugalmass\u00e1g\u00e1t biztos\u00edtja. A szervetlen \u00e1llom\u00e1ny v\u00edzb\u0151l \u00e9s \u00e1sv\u00e1nyi anyagokb\u00f3l (kalcium-, foszf\u00e1t- \u00e9s magn\u00e9ziums\u00f3k) \u00e1ll, ezek adj\u00e1k a csont szil\u00e1rds\u00e1g\u00e1t. A csontv\u00e1z a testt\u00f6meg 12-15%-\u00e1t teszi ki.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A csontsz\u00f6vet k\u00e9t f\u0151 szerkezeti egys\u00e9gb\u0151l \u00e1ll: a kortik\u00e1lis (kompakt) \u00e9s a szivacsos (trabekul\u00e1ris) \u00e1llom\u00e1nyb\u00f3l. Ezek elt\u00e9r\u0151 fel\u00e9p\u00edt\u00e9s\u0171ek \u00e9s funkci\u00f3j\u00faak, de egy\u00fctt biztos\u00edtj\u00e1k a csontok szil\u00e1rds\u00e1g\u00e1t, rugalmass\u00e1g\u00e1t \u00e9s teherb\u00edr\u00e1s\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kortik\u00e1lis (kompakt) csont\u00e1llom\u00e1ny<\/strong><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A csont k\u00fcls\u0151, t\u00f6m\u00f6r, nagy szil\u00e1rds\u00e1g\u00fa r\u00e9tege. F\u0151 jellemz\u0151i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">a teljes csontt\u00f6meg kb. 80%-\u00e1t adja,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">rendk\u00edv\u00fcl ellen\u00e1ll\u00f3 a hajl\u00edt\u00f3- \u00e9s csavar\u00f3 er\u0151kkel szemben,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">hengeres egys\u00e9gekb\u0151l, \u00fan. oszteonokb\u00f3l \u00e9p\u00fcl fel,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">lassabban \u00e9p\u00fcl \u00e1t, mint a szivacsos \u00e1llom\u00e1ny.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A kompakt r\u00e9teg biztos\u00edtja a csontok mechanikai stabilit\u00e1s\u00e1t \u00e9s a test s\u00faly\u00e1nak megtart\u00e1s\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Szivacsos (trabekul\u00e1ris) csont\u00e1llom\u00e1ny<\/strong><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A csont bels\u0151 r\u00e9sz\u00e9n tal\u00e1lhat\u00f3, r\u00e1csos, k\u00f6nny\u0171, m\u00e9gis teherb\u00edr\u00f3 szerkezet. F\u0151 jellemz\u0151i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">a csontt\u00f6meg kb. 20%-\u00e1t, de a csontfelsz\u00edn 80%-\u00e1t adja,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">gyorsabban \u00e9p\u00fcl \u00e1t, ez\u00e9rt \u00e9rz\u00e9kenyebb a hormon\u00e1lis \u00e9s anyagcsere\u2011v\u00e1ltoz\u00e1sokra,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">a trabekul\u00e1k (csontgerend\u00e1k) a terhel\u00e9s ir\u00e1ny\u00e1hoz igazodnak,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">fontos szerepe van az \u00fct\u00e9selnyel\u00e9sben \u00e9s a csont rugalmass\u00e1g\u00e1ban.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A szivacsos \u00e1llom\u00e1ny k\u00fcl\u00f6n\u00f6sen nagy ar\u00e1nyban tal\u00e1lhat\u00f3 a csigoly\u00e1kban, a medenc\u00e9ben, a csontv\u00e9gekben \u00e9s a csukl\u00f3 k\u00f6rny\u00e9k\u00e9n &#8211; ez\u00e9rt ezek a ter\u00fcletek s\u00e9r\u00fcl\u00e9kenyebbek csontritkul\u00e1s eset\u00e9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A csontok egy\u00e9b fontos szerkezeti elemei<\/strong><\/h3>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Csonth\u00e1rtya (periosteum)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">a csont k\u00fcls\u0151 burka,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">ereket \u00e9s idegeket tartalmaz,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">fontos szerepe van a csontn\u00f6veked\u00e9sben \u00e9s a t\u00f6r\u00e9sek gy\u00f3gyul\u00e1s\u00e1ban.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Csontvel\u0151<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">a csont belsej\u00e9ben tal\u00e1lhat\u00f3,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">v\u00f6r\u00f6s csontvel\u0151: v\u00e9rk\u00e9pz\u00e9s helye,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">s\u00e1rga csontvel\u0151: zs\u00edrsz\u00f6vetben gazdag.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Csontm\u00e1trix<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">szerves \u00e1llom\u00e1ny (kollag\u00e9nrostok): rugalmass\u00e1got ad,<\/li>\n\n\n\n<li class=\"has-medium-font-size\">szervetlen \u00e1llom\u00e1ny (kalcium\u2011, foszf\u00e1t\u2011, magn\u00e9ziums\u00f3k): szil\u00e1rds\u00e1got biztos\u00edt.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">A k\u00e9t komponens ar\u00e1nya teszi lehet\u0151v\u00e9, hogy a csont egyszerre legyen er\u0151s \u00e9s rugalmas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A csontok \u00e9l\u0151, folyamatosan \u00e1t\u00e9p\u00fcl\u0151 sz\u00f6vetek, amelyek egyszerre biztos\u00edtj\u00e1k a test szil\u00e1rds\u00e1g\u00e1t, a mozg\u00e1st \u00e9s az \u00e1sv\u00e1nyi anyagok rakt\u00e1roz\u00e1s\u00e1t. A csontanyagcsere egyens\u00falya a csont\u00e9p\u00edt\u0151&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-5061","post","type-post","status-publish","format-standard","hentry","category-egeszseges-eletmod"],"_links":{"self":[{"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/posts\/5061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/comments?post=5061"}],"version-history":[{"count":1,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/posts\/5061\/revisions"}],"predecessor-version":[{"id":5062,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/posts\/5061\/revisions\/5062"}],"wp:attachment":[{"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/media?parent=5061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/categories?post=5061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ncis.elte.hu\/index.php\/wp-json\/wp\/v2\/tags?post=5061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}