نتایج جستجو برای: midline dose

تعداد نتایج: 320901  

Journal: :Psychophysiology 2009
Elena Gherri José Van Velzen Martin Eimer

We investigated how covert response preparation is modulated by the instructed cognitive context of a motor task. Participants prepared left-hand or right-hand movements toward or away from the body midline, as indicated by a response cue (S1) presented prior to a go/no-go stimulus (S2). Different participants were instructed that response cues specified the response hand or movement direction,...

2012
Nima Najand Jae-Ryeon Ryu William J. Brook

We employed in vitro site selection to identify a consensus binding sequence for the Drosophila melanogaster Tbx20 T-box transcription factor homolog Midline. We purified a bacterially expressed T-box DNA binding domain of Midline, and used it in four rounds of precipitation and polymerase-chain-reaction based amplification. We cloned and sequenced 54 random oligonucleotides selected by Midline...

Journal: :Neuron 2008
Bryan B. Gore Karen G. Wong Marc Tessier-Lavigne

Commissural axons are attracted to the midline intermediate target by chemoattractants, but upon crossing the midline they switch off responsiveness to attractants and switch on responsiveness to midline repellents, which expel the axons from the midline and enable them to move on. Here we show that midline exit also requires the stimulation of axon outgrowth by Stem Cell Factor (SCF, also know...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1392

پایان نامه حاضر در مورد امکان سنجی استفاده از مدلسازی آماری مبـتنی برbmd جهت برآورد حجم بحرانی خونریزی درایجاد مقادیر معینی از خطر مرگ ناشی از خونــریزی مــغزی غیرتروماتیک(خود به خودی) می باشد. روشbmd در رابطه با مقدار دوز یا حجم بحرانی یک وضعیت از پیش تعیین شده برای بدست آوردن بهترین پاسخ جهت ارزیابی خطرات سلامتی و بهداشتی و همچنین برآورد مقدار یا حجم بحرانی دوز می باشد. روشbmd یک روش جایگزین...

Journal: :British Journal of Surgery 2022

Abstract Method To evaluate comparative outcomes of off-midline and midline extraction sites in laparoscopic left sided colorectal resections. A systematic search electronic databases bibliographic reference lists was conducted, a combination free text controlled vocabulary adapted to thesaurus headings, operators limits were applied. Studies comparing the Off Midline incisions for specimen res...

Journal: :Symmetry 2022

Midline crossing problems have been associated with children atypical development. When compared to typical development (TD) children, they are less likely cross the midline into contralateral space their preferred hand. A motor skills training program is most beneficial intervention for developmental coordination disorder (DCD). However, there not enough information on how this will affect mid...

Journal: :Cold Spring Harbor perspectives in biology 2010
Barry J Dickson Yimin Zou

In a bilaterally symmetric animal, the midline plays a key role in directing axon growth during wiring of the nervous system. Midline cells provide a variety of guidance cues for growing axons, to which different types of axons respond in different ways and at different times. For some axons, the midline is an intermediate target. They first seek it out, but then move on towards their final tar...

Journal: :The British journal of venereal diseases 1945
W R Cowe

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1379

اسانس گیاه شوید در درمان هیپرلیپیدمی در یک دوره مزمن به بیماران تجویز می شود. در این مطالعه سمیت احتمالی تحت مزمن اسانس این گیاه مورد بررسی قرار گرفت، حال آنکه در مصرف حاد این اسانس سمیتی گزارش نشده است. در این آزمایش 40 رت ماده به 4 گروه 10 تایی تحت گروههای شاهد، ‏‎‏‎a(high dose)، ‏‎(intermeidate dose)b‎‏ و ‏‎(low dose)c‎‏ تقسیم شد و اسانس بصورت خوراکی تحت دوزهای به ترتیب بالا: بدون اسانس، 2 م...

Journal: :iranian journal of radiation research 0
f. bouzarjomehri shahid sadoughi university of medical sciences, yazd, iran m. kiani tabriz university of medical sciences, medical physics, tabriz, iran a.r. farajollahi tabriz university of medical sciences, medical physics, tabriz, iran

background: the shielding methods in radiotherapy due to delivering an accurate radiation dose to cancer tissues and avoiding unnecessary dose to normal tissues are very important. these methods include lead standard blocks, individual molding and multi leaf collimator (mlc). the mlc method is not still common in iran radiotherapy centers. individual molding is better than the lead block shield...

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