993 resultados para Orientation(direction)
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This second annual report provides an update of progress against the outcomes and indicators set out in NSD Phase 2.
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Update Report on NSD for Alcohol and Drugs Phase 2 - March 2013
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New Strategic Direction for Alcohol and Drugs Phase 2 (2011-2016) - A framework for Reducing Alcohol and Drug Related Harm in Northern Ireland (December 2011)
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An update on the implementation and delivery of the New Strategic Direction on Alcohol and Drugs 2006-2011 (NSD)
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This action plan focuses on three main areas: • reducing young people’s demand for alcohol by providing information, education and training to young people and their parents; •restricting the supply of alcohol via measures to reduce accessibility to alcohol (including how alcohol is priced, marketed, and promoted); and • providing treatment and support for those who require additional help. While the emphasis of this action plan is on young people, it recognises that their drinking patterns are very much influenced by modelling the drinking patterns of adults in our society, and it therefore contains actions that will impact on the entire population. Alcohol misuse - however you measure the cost, whether to the individual, the family, the community, the health service, or society as a whole - is one of the biggest public health issues facing Northern Ireland.
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This report sets the direction for modernising nursing careers.
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ABSTRACT : The whisker-to-barrel pathway of rodents is formed by a series of somatotopic projections from the mystacial whisker follicles to the layer IV of the primary somatosensory cortex such that each follicle corresponds to a cluster of cortical neurons called barrel. Barrels are present in layer IV but form part of functional columns that comprise the entire depth of the somatosensory cortex. Interestingly, the cortex of the barrelless mouse strain (BRL) is organized such a manner that thalamocortical afferents do not remodel their projections in layer IV and barrels fail to appear. Nevertheless, functionally, a columnar organization persists, indicating that functional columns are not only provided by thalamocortical projections and layer IV cells. Since in the visual cortex of cats, layer VI cells contribute to the response properties of layer IV neurons, we wonder whether layer VI pyramidal cells could contribute to the columnar organization of the primary somatosensory cortex of mice. To address -this question, we morphologically analyzed the distribution of intracortical axon collaterals of layer VI neurons after in-vivo juxtacellular injections of biocytin in the C2 barrel column. Injected hemispheres were tangentially serial cut and intracortical collaterals of individual layer VI neurons were reconstructed at the light microscopic level. The position of axonal boutons was recorded to evaluate the distribution of presumed synaptic contacts. In normal (NOR) mice, cluster analysis shows that layer VI pyramidal cells can be classified in four statistically different clusters of neurons. Moreover, we assume that two classes are formed by cortico-cortical neurons and two classes are formed by cortico-thalamic neurons. Looking at the direction of the main axon in the white matter, we noticed that its orientation correlates perfectly with the type of neuron: cortico-cortical neurons send main axon medially whereas cortico-thalamic neurons send main axon laterally. Performing the same study in the BRL strain, we showed that the BRL mutation affects layer VI pyramidal cells tangentially and radially: the effects of the mutation are illustrated by a significant decrease of the index of colurnnarization and a significant decrease of percentage of boutons in granular and supragranular layers comparing to NOR neurons. In spite of these differences, the same four classes of layer VI neurons have been found in BRL mice. Using a tangential analysis of the boutons distribution, we showed that putative synapses are distributed mainly in the C2 barrel column. This was observed for each layer, type of neuron, cluster or strain, indicating that layer VI pyramidal cells could participate to the functional columnar organization of the barrel cortex. To determine post-synaptic partners of layer VI neurons in layer IV, we conducted an ultrastructural analysis of layer VI-to-IV contacts. We showed that synapses principally occur on spines and spiny dendritic shafts, supposed to belong to excitatory neurons. We furthermore showed that pre-synaptic elements are significantly different between en passant and terminaux contacts, which support hypothesis that terminaux boutons should show longer duration of facilitation than en passant boutons. RÉSUMÉ : Le «whisker-to-barrel pathway» des rongeurs est caractérisé par une série de projections somatotopiques depuis les follicules des moustaches ('whiskers') jusqu'à la couche IV de l'aire somatosensorielle primaire, de telle façon que chaque follicule corresponde à un groupe de neurones corticaux appelés tonneaux (`barrels'). Les tonneaux sont seulement présents en couche IV mais font partie de colonnes fonctionnelles qui s'étendent sur toute la profondeur du cortex somatosensoriel. Chez les souris mutantes barrelless (BRL), le cortex somatosensoriel est organisé de façon telle que lés afférences thalamocorticales ne remodellent pas leurs projections en couche IV et que les tonneaux n'apparaissent pas. Fonctionnellement, pourtant, une organisation en colonnes persiste, ce qui indique que les colonnes fonctionnelles ne sont pas uniquement produites par les projections thalamocorticales et par les cellules de la couche IV. Puisque les cellules de la couche VI contribuent à influencer les réponses des cellules de la couche IV dans le cortex visuel du chat, nous nous sommes demandé si ces cellules ne pourraient pas aussi contribuer à l'organisation en colonnes du cortex somatosensoriel primaire de la souris. Pour répondre à cette question, nous avons analysé de façon morphologique la distribution intracorticale des collatéraux axonaux de neurones de la couche VI. Suite à des injections juxtacellulaires de biocytine in-vivo dans la colonne C2, les hémisphères cérébraux ont été tangentiellement coupés en série et les collatéraux intracorticaux des neurones de la couche VI ont été reconstruits en microscopie optique. La position des boutons axonaux a aussi été enregistrée pour évaluer la distribution des contacts synpptiques potentiels. Chez les souris NOR, une analyse multivariée montre que les cellules pyramidales de la couche VI sont distribuées en quatre classes. Deux de ces classes sont probablement formées de neurons cortico-corticaux, alors que les deux autres sont probablement formées de neurones corticothalamiques. En observant la direction de l'axone principal dans la matière blanche, nous avons noté que son orientation est parfaitement corrélée avec le type supposé de neurone : les neurones corticocorticaux envoient leurs axones principaux médiallement, alors que les neurons cortico-thalamiques envoient leurs axones principaux latéralement. En menant la même étude chez les souris BRL, nous avons montré que la mutation affecte les cellules pyramidales de la couche VI de façon tangentielle, mais aussi radiaire : les effets de 1a mutation se traduisent par une diminution significative de l'index de « columnarization » et de la connectivité en couches granulaire et supragranulaire. Malgré ces différences, les quatre mêmes classes de neurones ont été retrouvées. En utilisant une analyse tangentielle de la distribution des boutons, nous avons montré que les synapses potentielles sont distribuées principalement dans la colonne C2. Cette observation a été faite dans chaque couche, chaque type de neurones, chaque classe de neurones et chaque souche de souris, indicant que les cellules de la couche VI participent certainement à l'organisation en colonne du cortex somatosensoriel. Pour déterminer les partenaires post-synaptiques des cellules de la couche VI en couche IV, nous avons conduit une analyse ultrastructurelle de ces contacts. Nous avons montré que les synapses interviennent principalement sur les épines et sur les dendrites supposés appartenir à des cellules excitatrices. Nous avons aussi montré que les éléments pré-synaptiques de ces synapses sont significativement differents selon le type de bouton, en passant ou terminal, ce qui supporte l'hypothèse que les boutons terminaux seraient capables d'une plus longue facilitation.
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Executive Summary and Strategy Document (May 2006) The New Strategic Direction has a set of overarching long-term aims to: • Provide accessible and effective treatment and support for people who are consuming alcohol and/or using drugs in a potentially hazardous, harmful or dependent way. • Reduce the level, breadth and depth of alcohol and drug-related harm to users, their families and/or their carers and the wider community. • Increase awareness on all aspects of alcohol and drug-related harm in all settings and for all age groups. • Integrate those policies which contribute to the reduction of alcohol and drug-related harm into all Government Department strategies. • Develop a competent skilled workforce across all sectors that can respond to the complexities of alcohol and drug use and misuse. • Promote opportunities for those under the age of 18 years to develop appropriate skills, attitudes and behaviours to enable them to resist societal pressures to drink alcohol and/or use illicit drugs, with a particular emphasis on those identified as potentially vulnerable. • Reduce the availability of illicit drugs in Northern Ireland åÊ
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Executive Summary and Strategy Document (May 2006) The New Strategic Direction has a set of overarching long-term aims to: • Provide accessible and effective treatment and support for people who are consuming alcohol and/or using drugs in a potentially hazardous, harmful or dependent way. • Reduce the level, breadth and depth of alcohol and drug-related harm to users, their families and/or their carers and the wider community. • Increase awareness on all aspects of alcohol and drug-related harm in all settings and for all age groups. • Integrate those policies which contribute to the reduction of alcohol and drug-related harm into all Government Department strategies. • Develop a competent skilled workforce across all sectors that can respond to the complexities of alcohol and drug use and misuse. • Promote opportunities for those under the age of 18 years to develop appropriate skills, attitudes and behaviours to enable them to resist societal pressures to drink alcohol and/or use illicit drugs, with a particular emphasis on those identified as potentially vulnerable. • Reduce the availability of illicit drugs in Northern Ireland
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Strategy Document - May 2006
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Position Paper November 2003
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Consultation Outlining proposals for a five-year plan
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The mechanical behaviour of ectodermal cells in the area opaca and the supracellular organization of fibronectin in the adjacent extracellular matrix were studied in whole chick blastoderms developing in vitro. The pattern of spontaneous mechanical activity and its modification by immunoglobulins against fibronectin were determined using a real-time image-analysis system. The pattern of fibronectin was studied using immunocytochemical techniques. It was found that the ectodermal cells in the area opaca actively develop a radially oriented contraction, which leads to a distension of the area pellucida from which the embryo develops. Abnormally increased tension resulted in perturbations of gastrulation and neurulation. An optimized mechanical equilibrium within the blastoderm seems to be necessary for normal development. Anti-fibronectin antibodies applied to the basal side of the blastoderm led rapidly and reversibly to an increase of tension in the contracted cells. This observation indicates that modifications of the extracellular matrix can be transmitted to cytoskeletal elements within adjacent cells. The extracellular matrix of the area opaca contains fibronectin arranged in radially oriented fibrils. This orientation corresponds to the direction of migration of the mesodermal cells. Interestingly, the radial pattern of fibronectin is found in the regions where the ectodermal cells are contracted and develop radially oriented forces. This observation suggests that the supracellular assembly of the extracellular materials could be influenced by the mechanical activity of adjacent cells. Possible modulations of the supracellular organization of extracellular matrix by other factors, e.g. diffusible metabolites, is also discussed. The presence of characteristically organized extracellular matrix components, of spatially differentiated cell activities and of reciprocal interactions between them makes the young chick blastoderm an excellent system for physiological studies of the coordinated cellular activities that lead to changes in form, complexity and function.
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Primary Care: A New Direction acknowledges the central role of primary care in the future development of our health services and proposes the introduction of an inter-disciplinary team-based approach which will be introduced on a phased basis using existing infrastructure and encouraging the use of public-private partnerships where practical. Download the Report here
