منابع مشابه
P-226: American Ginseng Effects on Damage Induced by Cyclophosphamide in The Nuclei of Rat Sperm
Background: Oxidative stress occurs when the oxidative homeostasis is damage. Excessive ROS are generated and this reaction has been proposed to produce marked damage to the structure and function of sperm. Materials and Methods: This study was designed to investigate the protective effects of of American Ginseng against cyclophosphamide - induced damage in the rat sperm. For this experiment, t...
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Tobacco sperm cells contain intact mitochondria within their nuclei with a frequency of 0.35 [plusmn] 0.13 per cell. These inclusions appear to originate from mitochondria found among chromatids in the highly elongated metaphase plate of the dividing generative cell. These organelles are apparently captured during the reconstitution of the nuclear envelope. Only sperm cells were observed to con...
متن کاملLocalization of single-stranded DNA in human sperm nuclei.
OBJECTIVE To localize foci of single-stranded (ss) DNA in sperm nuclei of fertile and infertile men. DESIGN Prospective, observational study. SETTING University infertility clinic. PATIENT(S) Semen samples from 12 consecutive asthenoteratospermic men presenting for infertility evaluation and 5 consecutive fertile men presenting for vasectomy. INTERVENTION(S) Semen analysis, semen proces...
متن کاملthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
romantic education:reading william wordsworths the prelude in the light of the history of ideas
عصر روشنگری زمان شکل گیری ایده های مدرن تربیتی- آموزشی بود اما تاکید بیش از اندازه ی دوشاخه مهم فلسفی زمان یعنی عقل گرایی و حس گرایی بر دقت و وضوح، انسان عصر روشنگری را نسبت به دیگر تواناییهایش نابینا کرده و موجب به وجود آمدن افرادی تک بعدی شد که افتخارعقلانیتشان، تاکید شان بر تجربه فردی، به مبارزه طلبیدن منطق نیاکانشان وافسون زدایی شان از دنیا وتمام آنچه با حواس پنجگانه قابل درک نبوده و یا در ...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1911
ISSN: 0006-8071
DOI: 10.1086/330601