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Lines of Zahn are a characteristic of thrombi. They have layers, with lighter layers of platelets and fibrin, and darker layers of red blood cells. They are more present on thrombi formed with faster blood flow, more so on thrombi from the heart and aorta. They are only seen on thrombi formed before death. They are named after German–Swiss pathologist Friedrich Wilhelm Zahn.

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  • خطوط زان (ar)
  • Lines of Zahn (en)
  • Linhas de Zahn (pt)
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  • Lines of Zahn are a characteristic of thrombi. They have layers, with lighter layers of platelets and fibrin, and darker layers of red blood cells. They are more present on thrombi formed with faster blood flow, more so on thrombi from the heart and aorta. They are only seen on thrombi formed before death. They are named after German–Swiss pathologist Friedrich Wilhelm Zahn. (en)
  • خطوط زان (بالإنجليزية: Lines of Zahn)‏ هي أحد سمات الخثرات (الجلطات) التي تظهر بِخَاصَةٍ عند تشكل خثرات القلب أو الشريان الأبهر (الأورطي). تتميز خطوط زان بوجود طبقات متناوبة من الصفائح الدموية مختلطة مع فايبرين (بروتين ليفي). تلك الطبقات تكون مرئية بالعين المجردة وكذلك بواسطة المجهر وتظهر على هيئة طبقات من كريات دم حمراء داكنة اللون متناوبة مع أخرى لونها فاتح. تواجد خطوط زان يدل على وجود خثار (بالإنجليزية: Thrombosis)‏ حدث قبل الوفاة في موقع تدفق سريع للدم. تكون خطوط زان أقل وضوحاً في الأوردة أو الشرايين الصغيرة حيث يكون التدفق غير ثابت. (ar)
  • Linhas de Zahn (LZ) ou estrias de Zahn (EZ) são uma característica de trombos mistos que aparecem quando estes são formados no coração ou grandes vasos sanguíneos, como a artéria aorta, por exemplo. Elas possuem laminações visíveis e microscópicas produzidas pelas camadas alternadas de plaquetas misturadas com fibrina (pálidas) e de hemácias (escuras); o aspecto misto explica-se pela estratificação dos elementos do sangue na corrente circulatória: com o retardamento da corrente as plaquetas e os leucócitos ficam mais na periferia, e as hemácias permanecem mais centrais, ficando o trombo resultante com aspecto de 'lagarta de borboleta' com uma cabeça branca (ninho inicial de plaquetas e fibrina) ligada à parede vascular, um corpo misto (camadas mistas de hemácias e elementos não cromados), (pt)
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  • Lines of Zahn (en)
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  • Lines of Zahn (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Histopathology_showing_lines_of_Zahn_in_a_thrombus.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Laminations_in_a_thrombus_-_high_mag.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Laminations_in_a_thrombus_-_intermed_mag.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Laminations_in_a_thrombus_-_low_mag.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Pulmonary_thromboembolus,_recent_(3626658803).jpg
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  • A recent pulmonary thrombo-embolus with prominent lines of Zahn. The pale areas consist of fibrin and platelets. The red areas consist of erythrocytes. (en)
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  • خطوط زان (بالإنجليزية: Lines of Zahn)‏ هي أحد سمات الخثرات (الجلطات) التي تظهر بِخَاصَةٍ عند تشكل خثرات القلب أو الشريان الأبهر (الأورطي). تتميز خطوط زان بوجود طبقات متناوبة من الصفائح الدموية مختلطة مع فايبرين (بروتين ليفي). تلك الطبقات تكون مرئية بالعين المجردة وكذلك بواسطة المجهر وتظهر على هيئة طبقات من كريات دم حمراء داكنة اللون متناوبة مع أخرى لونها فاتح. تواجد خطوط زان يدل على وجود خثار (بالإنجليزية: Thrombosis)‏ حدث قبل الوفاة في موقع تدفق سريع للدم. تكون خطوط زان أقل وضوحاً في الأوردة أو الشرايين الصغيرة حيث يكون التدفق غير ثابت. سُمّيت خطوط زان باسم عالم الأمراض الألماني الطبيب (1845-1904 م). (ar)
  • Lines of Zahn are a characteristic of thrombi. They have layers, with lighter layers of platelets and fibrin, and darker layers of red blood cells. They are more present on thrombi formed with faster blood flow, more so on thrombi from the heart and aorta. They are only seen on thrombi formed before death. They are named after German–Swiss pathologist Friedrich Wilhelm Zahn. (en)
  • Linhas de Zahn (LZ) ou estrias de Zahn (EZ) são uma característica de trombos mistos que aparecem quando estes são formados no coração ou grandes vasos sanguíneos, como a artéria aorta, por exemplo. Elas possuem laminações visíveis e microscópicas produzidas pelas camadas alternadas de plaquetas misturadas com fibrina (pálidas) e de hemácias (escuras); o aspecto misto explica-se pela estratificação dos elementos do sangue na corrente circulatória: com o retardamento da corrente as plaquetas e os leucócitos ficam mais na periferia, e as hemácias permanecem mais centrais, ficando o trombo resultante com aspecto de 'lagarta de borboleta' com uma cabeça branca (ninho inicial de plaquetas e fibrina) ligada à parede vascular, um corpo misto (camadas mistas de hemácias e elementos não cromados), e uma cauda vermelha formada pela oclusão total do vaso sanguíneo. Em veias ou artérias menores, onde o fluxo não é constante, as linhas de Zahn são menos aparentes. Recebem o nome em homenagem ao patologista alemão Friedrich Wilhelm Zahn (1845-1904). (pt)
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