{"id":4730,"date":"2026-03-30T15:08:44","date_gmt":"2026-03-30T13:08:44","guid":{"rendered":"https:\/\/blikpol.pl\/?post_type=slownik&#038;p=4730"},"modified":"2026-03-30T15:08:45","modified_gmt":"2026-03-30T13:08:45","slug":"corneal-essence","status":"publish","type":"slownik","link":"https:\/\/blikpol.pl\/en\/slownik\/definicja\/istota-wlasciwa-rogowki","title":{"rendered":"Corneal dermis"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The corneal dermis, also known as the corneal stroma, is the central and thickest layer of the cornea, representing about 90% of its total thickness (about 450-500 micrometres at the centre), and is responsible for the mechanical strength and optical properties of this structure. The corneal stroma consists of parallel collagen lamellae arranged in a highly ordered manner, with each lamella containing bundles of collagen fibres (mainly type I and V collagen) of uniform diameter of approximately 25-35 nanometres, spaced at precise intervals. The spaces between the collagen fibres are filled with a basal substance containing proteoglycans (mainly keratosulfate and chondroitin sulphates) and tissue fluid, and between the lamellar structures are flattened cells called keratocytes (corneal fibroblasts), which make up approximately 3-5% of the stroma volume.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-4730","slownik","type-slownik","status-publish","hentry"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Istota w\u0142a\u015bciwa rog\u00f3wki, zwana r\u00f3wnie\u017c zr\u0119bem rog\u00f3wki, to \u015brodkowa i najgrubsza warstwa rog\u00f3wki stanowi\u0105ca oko\u0142o 90% jej ca\u0142kowitej grubo\u015bci (oko\u0142o 450-500 mikrometr\u00f3w w centrum), odpowiedzialna za wytrzyma\u0142o\u015b\u0107 mechaniczn\u0105 oraz w\u0142a\u015bciwo\u015bci optyczne tej struktury. 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