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سرطان مغز و استخوان

مطالب علمی و تحقیقاتی / پزشکی تاریخ : 29 آذر 1390 09:31 بازدید : 0


تومور استخوانی چیست ؟

اگر سلولهای استخوان ساز بدن که به آنها استئوبلاست نیز گفته میشود شروع به تکثیر غیرعادی و غیرقابل کنترل بکنند توده استخوانی در محل ایجاد میگردد که به آن تومور  استخوانی گفته میشود .امروزه موتاسیونها و یا جهش های ژنتیکی را عامل اصلی بوجود آمدن اکثر سلولهای تومورال در بدن میدانند ولی اینکه چه عامل و یا عواملی باعث این جهش ها در هسته سلولهای بدن شخص می شود خیلی مشخص نمی باشد. عوامل ارثی و محیطی مانند ویروس ها و برخی از گازها و مواد شیمیائی را موثر می دانند.  بیماران برحسب محل توده و یا قابلیت دست اندازی آن به نقاط دیگر بدن از خود علائم خاص آن بیماری را نشان می دهند .

دسترسی به ادامه مطلب فقط برای اعضای سایت امکان پذیر است .

نویسنده : 5par نظرات ( 8 ) | لینک ثابت
manicure سه شنبه 15 فروردین 1396 | 23:46
manicure
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BHW جمعه 18 فروردین 1396 | 15:46
BHW
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manicure پنجشنبه 14 اردیبهشت 1396 | 03:51
manicure
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manicure جمعه 15 اردیبهشت 1396 | 02:56
manicure
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Dorothyvet چهارشنبه 28 تیر 1396 | 04:10
Dorothyvet
Revolutional update of SEO/SMM package "XRumer 16.0 + XEvil 3.0": captchas breaking of Google, Facebook, Bing, Hotmail, SolveMedia, Yandex, and more than 8400 another subtypes of captcha, with highest precision (80..100%) and highest speed (100 img per second). You can connect XEvil 3.0 to all most popular SEO/SMM software: XRumer, GSA SER, ZennoPoster, Srapebox, Senuke, and more than 100 of other programms. Interested? There are a lot of demo videos about XEvil in YouTube. Good luck! XRumer20170718
Arlenewaige شنبه 31 تیر 1396 | 04:46
Arlenewaige
Absolutely NEW update of SEO/SMM software "XRumer 16.0 + XEvil 3.0": captcha solution of Google, Facebook, Bing, Hotmail, SolveMedia, Yandex, and more than 8400 another types of captchas, with highest precision (80..100%) and highest speed (100 img per second). You can connect XEvil 3.0 to all most popular SEO/SMM software: XRumer, GSA SER, ZennoPoster, Srapebox, Senuke, and more than 100 of other software. Interested? You can find a lot of introducing videos about XEvil in YouTube. Good luck ;) XRumer20170721
Arlenewaige شنبه 31 تیر 1396 | 14:08
Arlenewaige
Revolutional update of SEO/SMM software "XRumer 16.0 + XEvil 3.0": captcha regignizing of Google, Facebook, Bing, Hotmail, SolveMedia, Yandex, and more than 8400 another types of captcha, with highest precision (80..100%) and highest speed (100 img per second). You can connect XEvil 3.0 to all most popular SEO/SMM software: XRumer, GSA SER, ZennoPoster, Srapebox, Senuke, and more than 100 of other software. Interested? There are a lot of introducing videos about XEvil in YouTube. See you later ;) XRumer20170721
Arlenewaige شنبه 31 تیر 1396 | 19:30
Arlenewaige
Revolutional update of SEO/SMM software "XRumer 16.0 + XEvil 3.0": captchas regignizing of Google, Facebook, Bing, Hotmail, SolveMedia, Yandex, and more than 8400 another size-types of captcha, with highest precision (80..100%) and highest speed (100 img per second). You can connect XEvil 3.0 to all most popular SEO/SMM programms: XRumer, GSA SER, ZennoPoster, Srapebox, Senuke, and more than 100 of other software. Interested? You can find a lot of demo videos about XEvil in YouTube. See you later! XRumer20170721

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