Intraneural ganglion cysts have been considered a curiosity for 2 centuries. Based on a unifying articular (synovial) theory, recent evidence has provided a logical explanation for their formation and propagation. The fundamental principle is that of a joint origin and a capsular defect through which synovial fluid escapes following the articular branch, typically into the parent nerve. A stere...

Critical supersaturations have been measured for the vapor growth of ice crystals on both the basal and prism faces between 2168 and 20.48C. The values are low: approximately constant at 0.4% for the prism face, less for the basal face between 238 and 298C, but greater at higher and lower temperatures. The transitions between tabular (platelike) and columnar growth habits that occur near 238 an...

1 Physiology Department, Federal University of Rio Grande do Sul, 90050-170 Porto Alegre, RS, Brazil 2 Northern Ontario School of Medicine, Lakehead University, Thunder Bay, Canada P7B 5E1 3 Faculty of Pharmacy, University of Buenos Aires, Buenos Aires 1121, Argentina 4 Santa Casa de Misericórdia School of Medicine (EMESCAM), 29027-502 Vitória, ES, Brazil 5 Pharmacology Department, University o...

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Sir,?For the information of the numerous subscribers of the Sir Pardey Lukis Memorial Fund, I begto request the favour of your kindly allowing a little space in your widely circulated journal for the publication of the subjoined proceedings of the Final Meeting of the Memorial Committee held at the Medical College, Calcutta, on the 19th February, 1919, under the presidency of Lt.-Colonel J. T. ...

In this issue of Neuron, Hu et al. (2012) report that upon axonal damage, CHOP and XBP1 unfolded protein response pathways are not recruited equally and have opposite effects on neuronal survival. XBP1 pathway boosting may represent a valuable neuroprotective strategy.

Spatial distribution patterns and their relations with environmental factors at different scales were identified in ca. 100-ha grassland under cattle and sheep grazing, in Eldorado do Sul, RS, Brazil (30 degrees 05'S, 51 degrees 40'W). The field survey used 138 0.5 x 0.5 m quadrats located systematically on transects along relief gradients. The quadrats were arranged in groups of 3 contiguous q...

1MSc in Microbiology, Universidade Estadual de Londrina (UEL), PR; Specialist in Infectology, UEL, PR; Professor of Infectology, Universidade de Santa Cruz do Sul (UNISC), RS; Coordinator, Epidemiology Unit, Hospital Santa Cruz (HSC), RS, Brazil 2Medical Student, UNISC, RS; Trainee at CCIH HSC, RS, Brazil 3Specialist, ViceCoordinator, Epidemiology Unit, HSC, RS, Brazil 4Specialist, Technician, ...