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<p>Includes Bibliographical references (leaves 83- 94).Forty-three male athymic nude mice were implanted with human vaginal mucosal cysts under general anaesthesia with Ketamine [25mg/kg] and Medetomidine [0.5mg/kg]. Cysts in 37 mice were recovered after 9 weeks of growth. twenty three cyst linings had retained the original structure of the vaginal epithelium. No marked deifference was present between the thickness of 9 week old linings and donor vaginal epithelium. The contaminants isolated from the skin of mice before implantation were mainly normal commercals of healthy experimental animals. There was no distinct difference in the number of cases with intact cyst formation between the terramycin/vitamin cocktaik group. The frequency of poor wound healing and/ or murine epidermis ingrowth was three times higher in animals stitched with silk sutures that in those cases where nylon sutures were used.</p>

<p> This dissertation examines how college students' participation in a Spanish service-learning course affected their perceptions of language culture and community. Findings demonstrate that students will potentially experience connections, disconnections, and reconnections when they interact with others in a Spanish service-learning experience. The connections that they form may motivate them to improve their skills and knowledge related to the subject matter. In this qualitative, practitioner action research study, I interviewed four students who were enrolled in my service-learning course. The narratives were analyzed using the Listening Guide (Gilligan et al., 2003) a feminist relational methodology. </p><p> When the students spoke of their experiences with language, culture, and community in interviews prior to taking the course, they used voices of powerlessness, rejection, observation, and separation. In the interviews that occurred after the service-learning experience, their voices spoke of empowerment, acceptance, participation, and inclusion. Cross-case analysis revealed that students formed relationships with the community, other students, and the instructor during the service-learning experience. Even if these relationships were short-term and limited, they often experienced the cycle of connection, disconnection, and connection of long-term relationships. Prior to the course, students spoke of previous experiences with language-exclusion and disconnections that they experienced because of their relational images of observation and separation. When they spoke of their service-learning experiences, they described multiple relational triangles (Hawkins, 1974; Raider-Roth &amp; Holzer, 2009) and revealed their developed sense of empathy. This empathy demonstrates the connections they formed with other students and with the community members. Two students spoke of disconnections that occurred during the course, but these disconnections were outweighed by connections. These connections led them to desire more meaningful connections, which they realized could only happen by improving their language skills. </p><p> The implications of this study suggest that in a relational service-learning course, instructors no longer are only part of the relational triangle between the instructor, the student, and the subject matter; they also facilitate relationships between students, community partner organizations, community members, other volunteers, and the subject matter. The multiple relational triangles that they facilitate combine to form a relational hexagon. This relational understanding of service-learning has implications for instructors, the discipline, and the university.</p>

This thesis has two principal objectives: firstly, to provide a systematic account of the evolution of Brazil's international role during the twenty-one years of military rule from 1964 to 1985 and, secondly, to evaluate the extent to which developments in Brazilian foreign relations during this period have enabled the country to attain a more autonomous and independent role in world affairs. The first part of the thesis outlines the major themes of Brazilian foreign policy before 1964. It argues that in the early post-war period Brazil's international freedom of manoeuvre was limited by two principal factors: the consolidation of United States hegemony over Latin America and the absence of alternative relationships. The following five chapters then trace the evolution of foreign policy under the five military presidents that ruled Brazil between 1964 and 1985. Each chapter charts the major foreign policy initiatives of the various governments, isolates the underlying principles on which foreign policy was based and analyses the major political and economic factors which shaped Brazilian diplomacy. In each case the analysis is organised around two crucial developments: the changing character of relations with the United States and the progress towards diversification. Part Three seeks to evaluate Brazil's changing international role. It argues that Brazil's level of autonomy has increased over the period as a result both of a decline in United States hegemony over Brazil and of the successful diversification of Brazil's foreign relations and the expansion of political and economic contacts with Western Europe, Japan, the socialist countries and the Third World. It nevertheless also argues that Brazil's freedom of manoeuvre is much more constrained than many of the accounts of the 1970s suggested and that the debt crisis has underlined both the continued centrality of relations with Washington and the fragility of many of the new ties that were so successfully builk up during the 1970s.

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