نتایج جستجو برای: rodent materials
تعداد نتایج: 462784 فیلتر نتایج به سال:
Increased awareness of spatiotemporal variation in species interactions has motivated the study of temporally-resolved food web dynamics at the landscape level. Empiricists have focused attention on cross-habitat flows of materials, nutrients, and prey, largely ignoring the movement of predators between habitats that differ in productivity (and how predators integrate pulses in resource availab...
IMPORTANCE Cable grafting is widely considered to be the preferred alternative to primary repair of the injured facial nerve; however, quantitative comparison of the 2 techniques has not been previously undertaken in a rodent model. OBJECTIVE To establish functional recovery parameters after interposition autografting in a rodent facial nerve model. DESIGN, SETTING, AND PARTICIPANTS Prospec...
BACKGROUND Peritoneal absorption of CO(2) during abdominal insufflation in laparoscopy may disrupt the acid-base equilibrium and alter the physiological response to stress. Current nonventilated rodent models of laparoscopy do not manage the CO(2) load of pneumoperitoneum, but ventilated surgical rodent models are invasive (tracheotomy) and may independently induce the inflammatory response. ...
A polymer is broadly defined as a substance made up of many linked atoms or smaller molecules. Unlike small molecules, polymer properties can vary considerably depending on the method of synthesis. measurement technique. and experimental conditions. As such, knowing additional informatio n about the polymer of interest can be helpful when searching for specific information. This chapter outline...
We present the science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts and benefits reaching into most areas of society. This roadmap was developed within the framework of the European Graphene Flagship and outlines the main targets and research areas as best understood at the start of th...
Psychiatric diagnostic interviews to be used in epidemiologic studies by lay interviewers have, since the 1970s, attempted to operationalize existing psychiatric nomenclatures. How to maximize the chances that they do so successfully has not previously been spelled out. In this article, the authors discuss strategies for each of the seven steps involved in writing, updating, or modifying a diag...
background rodents play a major role in economic losses and public health problems. these animals are considered as natural reservoir hosts of zoonotic cutaneous leishmaniasis (zcl), one of the major health concerns in iran. conclusions the spatial and temporal monitoring of wild rodents will help to predict the potential zoonotic rodent-borne diseases. objectives this research was aimed to stu...
In the course of ultrastructural studies on the morphology of the pancreatic islets of various rodent species used in current diabetes research, intranuclear rod-shaped structures were observed in the $-cells of mice . Since there appeared to be no previous reports on the occurrence of such structures in endocrine pancreas of any species, it was thought worth while to pay some further attention...
The effects of inhaled alpha-emitting actinides on the alveolar macrophage (AM) population of the rodent lung are reviewed and, in particular, of the effects of 239PuO2 on murine AM. The effects discussed include changes the AM pool size, macrophage diameter, mobility, phagocytic competence, and enzyme content. Finally, similarities in the dose-response relationships for the induction of nuclea...
This short review is derived from the peer-reviewed literature and the experience and case materials of the authors. Brief illustrated summaries are presented on the gross and histologic normal anatomy of rodent and macaque placentas, including typical organ weights, with comments on differences from the human placenta. Common incidental findings, background lesions, and induced toxic lesions a...
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