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الخلايا الجذعية وبعض تطبيقاتها العلاجية

Author name: عباس هادي حمادي العبيدي
General topic: Biology
Specific topic: Zoology - Physiology
Degree: Higher Diploma
University: University of Baghdad
University location: Baghdad
Key words:
  • الخلايا - فسيولوجيا

تاثير حقن المضادات الحياتية في بيض الدجاج في نسبة الفقس والاجنة الهالكة

Author name: محمد رسول مهدي العجيلي
General topic: Agricultural sciences
Specific topic: Zoology - Physiology
Degree: Higher Diploma
University: University of Baghdad
University location: Baghdad
Key words:
  • دجاج - فسلجة

تاثير الاشعة فوق البنفسجية Ultraviolet (UV) على بعض المعايير التكاثرية (معامل الانقسام للحيامن والتشوهات في رؤوس النطف) في الجرذان البيض == Effect of Ultraviolet On Some Reproduction Parameters (Mitotic Index of Sperms And Head Sperms Aberration)

Author name: قيس هادي لايذ الكرعاوي
Supervisor name: حسين خضير الميالي
General topic: Biology
Specific topic: Zoology - Physiology
Degree: Higher Diploma
University: University of Al-Qadisiyah - Faculty Of Education - Department Of Biology
Language: Arabic
University location: Qadisiyah
First pages:
Abstract: قسمت 20 جرذ ابيض من الضرب Balb/C الى اربع مجاميع بعد تشعيعها (تشعيع الجسم كله) بفترات تعريض للاشعة فوق البنفسجية Ultraviolet لمدة (0 و20 و30 و60) دقيقة، ثم شرحت بعد 7 ايام من التعرض للاشعاع وتم حساب معامل انقسام mitotic index الخلايا الجنسية بالاضافة الى | Twenty white rats (Balb / C) have been divided into four groups after their exposure to ultraviolet ray for the following time periods (0, 20, 30, 60) minutes. Then the autopsy has been performed after 7 days of (UV) exposure and the mitotic index of sexual cell division has been counted. as well as the Head sperms aberration. The results of the study showed the following : 1 - Decrease in the mitotic index for the sexual cell. This decrease is directly proportional with the duration of exposure to radiation.2 - A slight increase in the percentage of the Head sperms aberration between (T 20) in comparison with the control group which is not exposed to radiation (T 0).3 - The increase in percentage of the Head sperms aberration is due to the (UV) and this abnormalities are directly proportional with the length of the exposure period as (T 30, T 60).