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Modulators of hypothalamic-pituitary-gonadal axis for the control of spermatogenesis and sperm quality in vertebrates
Spermatogenesis is a process highly conserved throughout vertebrate species and is mainly under hypothalamic-pituitary control. It occurs in the testis in a stepwise fashion so that committed spermatogonia develop into spermatocytes and enter meiosis to produce round spermatids. These undergo a morphological transformation (spermiogenesis) into mature spermatids (i.e.: spermatozoa), which are differentially released from Sertoli cells (spermiation) depending on the species. In mammals, further transformations are necessary to form mature spermatozoa, suitable for fertilization. Gonadotropins, mainly responsive to gonadotropin-releasing hormone, control spermatogenesis through specific recept...
Unfinished Business
During his fifty-year career as a biologist at the University of Arizona, Joseph T. Bagnara investigated subjects he was passionate about, traveled abroad, made lasting friendships, and earned international recognition. Now retired, he leaves behind a legacy of discovery and knowledge. And yet, as in any life, there is unfinished business. Embark on a journey through time as Joe recounts his scientific and cultural adventures. Through his eyes you will witness the profound changes that occurred in academia following World War II. The road is winding, with many detours and a few promising trails abandoned. But these trails remain for future generations to rediscover and explore.
To be Free and French
An ambitious new vision of French citizenship from the perspective of Africans and Antilleans living in the colonies and mainland France. Lorelle Semley explores the ways in which these colonial subjects used French democratic ideals to demand rights and redefine the meanings of freedom and 'Frenchness'.
Reactive Oxygen Species (ROS) in Living Cells
Oxygen represents only 20% of the Earth's atmosphere, yet it is vital for the survival of aerobic organisms. There is a dark part of the use of oxygen that consists in generating reactive species that are potentially harmful to living organisms. Moreover, reactive oxygen species can combine with nitrogen derivatives and generate many other reactive species. Thus, living organisms are continuously assaulted by reactive species from external or internal sources. However, the real danger comes in the case of high concentrations and prolonged exposure to these species. This book presents an image of the mechanisms of action of reactive species and emphasizes their involvement in diseases. Inflammation and cancer are examined to determine when and how reactive species turn the evolution of a benign process to a malignant one. Some answers may come from recent studies indicating that reactive species are responsible for epigenetic changes.
In the Museum of Man
In the Museum of Man offers new insight into the thorny relationship between science, society, and empire at the high-water mark of French imperialism and European racism. Alice L. Conklin takes us into the formative years of French anthropology and social theory between 1850 and 1900; then deep into the practice of anthropology, under the name of ethnology, both in Paris and in the empire before and especially after World War I; and finally, into the fate of the discipline and its practitioners under the German Occupation and its immediate aftermath. Conklin addresses the influence exerted by academic networks, museum collections, and imperial connections in defining human diversity sociocu...
Politics of Memory
The public memory of slavery and the Atlantic slave trade, which some years ago could be observed especially in North America, has slowly emerged into a transnational phenomenon now encompassing Europe, Africa, and Latin America, and even Asia – allowing the populations of African descent, organized groups, governments, non-governmental organizations and societies in these different regions to individually and collectively update and reconstruct the slave past. This edited volume examines the recent transnational emergence of the public memory of slavery, shedding light on the work of memory produced by groups of individuals who are descendants of slaves. The chapters in this book explore how the memory of the enslaved and slavers is shaped and displayed in the public space not only in the former slave societies but also in the regions that provided captives to the former American colonies and European metropoles. Through the analysis of exhibitions, museums, monuments, accounts, and public performances, the volume makes sense of the political stakes involved in the phenomenon of memorialization of slavery and the slave trade in the public sphere.
Sahel: Art and Empires on the Shores of the Sahara
This groundbreaking volume examines the extraordinary artistic and cultural traditions of the African region known as the western Sahel, a vast area on the southern edge of the Sahara desert that includes present-day Senegal, Mauritania, Mali, and Niger. This is the first book to present a comprehensive overview of the diverse cultural achievements and traditions of the region, spanning more than 1,300 years from the pre Islamic period through the nineteenth century. It features some of the earliest extant art from sub Saharan Africa as well as such iconic works as sculptures by the Dogon and Bamana peoples of Mali. Essays by leading international scholars discuss the art, architecture, archaeology, literature, philosophy, religion, and history of the Sahel, exploring the unique cultural landscape in which these ancient communities flourished. Richly illustrated and brilliantly argued, Sahel brings to life the enduring forms of expression created by the peoples who lived in this diverse crossroads of the world.
Internal Diversity
This book explores the interrelation between diversity in migrants’ internal relations and their experience of inequality in local and global contexts. Taking the case of Hamburg-based Iranians, it traces evaluation processes in ties between professionals – artists and entrepreneurs – since the 1930s, examining migrants’ potential to act upon hierarchical structures. Building on long-term ethnographic fieldwork and archival work, the book centers on differentiation, combining a diversity study with a focus on locality, with a transnational migration study, analysing strategies of capital creation and anthropological value theory. The analysis of migrants’ agency tackles questions of independence and cooperation in kinship, associations, transnational entrepreneurship and cultural events within the context of the position of Germany and Iran in the global politico-economic landscape. This material will be of interest to scholars and students of anthropology, sociology, migration, urbanism and Iranian studies, as well as Iranian-Germans and those interested in the entanglement of global and local power relations.
A History of African Popular Culture
A journey through the history of African popular culture from the seventeenth century to the present day.
Missionaries, Anthropologists, and Music in the Indonesian Archipelago
A free ebook version of this title is available through Luminos, University of California Press's Open Access publishing program. Visit www.luminosoa.org to learn more. Although the history of Indonesian music has received much attention from ethnomusicologists and Western composers alike, almost nothing has been written on the interaction of missionaries with local culture. This study represents the first attempt to concentrate on the musical dimension of missionary activities in Indonesia. In fourteen essays, a group of distinguished scholars show the complexity of the topic: while some missionaries did important scholarship on local music, making recordings and attempting to use local music in services, others tried to suppress whatever they found. Many were collaborating closely with anthropologists who admitted freely that they could not have done their work without them. And both parties brought colonial biases into their work. By grappling with these realities and records, this book is a collective effort to decolonize the project of making music histories.
