نتایج جستجو برای: peripheral layer
تعداد نتایج: 462814 فیلتر نتایج به سال:
We investigated relationships between retinal structure using optical coherence tomography (OCT) and retinal function using peripheral resolution acuity and multifocal electroretinograms (mfERG) in 56 subjects with a range of refractive errors (+0.50 to -15.00 D). Retinal thinning occurred in moderate and high myopia which appeared to be primarily due to reduced thickness of the middle to inner...
In the present work a two fluid model for blood flow through abnormally constricted human artery (stenosed artery) has been developed. The model consists of a core region of suspension of all erythrocytes assumed to be micro-polar fluid so as to include the micro-structural effects in addition to the peripheral-layer viscosity effects, and a peripheral plasma layer free from cells of any kind o...
The problem of blood flow through an overlapping constriction in arteries is investigated in this work. To account for the non-Newtonian behavior and the peripheral layer, blood has been represented by a two-fluid model, consisting of a core region of suspension of all the erythrocytes assumed to be a Casson fluid and a peripheral layer of plasma (Newtonian fluid). The expression for the flow c...
We analyze the controllability of a two-layer network, where driver nodes can be chosen randomly only from one layer. Each layer contains a scale-free network with directed links and the node dynamics depends on the incoming links from other nodes. We combine the in-degree and out-degree values to assign an importance value w to each node, and distinguish between peripheral nodes with low w and...
One of the numerous functions of glial cells in Drosophila is the ensheathment of neurons to isolate them from the potassium-rich haemolymph, thereby establishing the blood-brain barrier. Peripheral nerves of flies are surrounded by three distinct glial cell types. Although all embryonic peripheral glia (ePG) have been identified on a single-cell level, their contribution to the three glial she...
The adsorption of the molecular acceptor hexaazatriphenylene-hexacarbonitrile on Ag(111) was investigated as function of layer density. We find that the orientation of the first molecular layer changes from a face-on to an edge-on conformation depending on layer density, facilitated through specific interactions of the peripheral molecular cyano groups with the metal. This is accompanied by a r...
Platypoecilus macuhatus is a Viviparous fish belonging to subclass teleosteons (F. Poeciliidae). Oogenesis in this fish can be divided in tow following stage I: Clear Ooplasm with few organells is covered with a layer of follicular cells. Apearence of the first yolk droples also Occurred in this stage. Stage II: microvilli forms and then a radial layer appears between them. The development of ...
پروبیوتیک ها بعنوان مکمل های غذایی زنده شناخته شده اند و در سلامت میزبان از طریق بهبود تعادل روده ای، اثرات مفیدی دارند. باکتری لاکتوباسیلوس اسیدوفیلوس atcc 4356 بعنوان پروبیوتیک کاربرد دارد. در مطالعات انجام شده، مشخص گردیده که خصوصیات سطحی باکتریها متأثر از شرایط ترکیبات و محیط کشت می باشد . هدف از انجام این تحقیق، بررسی اثر برخی از تنش های شیمیایی و فیزیکی بر روی مورفوتایپ کلنی و سلول باکتری...
Molecular layer inhibitory interneurons generate on-beam and off-beam inhibition in the cerebellar cortex that is hypothesized to control the timing and/or spatial patterning of Purkinje cell discharge. On- and off-beam inhibition has been assumed to be spatially uniform and continuous within a folium. Using flavoprotein autofluorescence optical imaging in the mouse cerebellar cortex in vivo, t...
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