نتایج جستجو برای: transitional zone
تعداد نتایج: 127529 فیلتر نتایج به سال:
We present a two-stage analysis of the transitional disk RX J1615.3-3255 located in the Lupus association (∼1 Myr old). Using 1.6 μm scattered light, polarized intensity images observed with the HiCIAO instrument of the Subaru Telescope, we deduce the position angle and the inclination angle. The disk is found to extend out to 92 ± 12 AU in the scattered light and no clear structure is observed...
Defects in the expression of either BAFF (B cell activating factor) or BAFF-R impairs B cell development beyond the immature, transitional type-1 stage and thus, prevents the formation of follicular and marginal zone B cells, whereas B-1 B cells remain unaffected. The expression of BAFF-R on all mature B cells might suggest a role for BAFF-R signaling also for their in vivo maintenance. Here, w...
Reduction of the Magic Angle Effect on Contrast in Magnetization Transfer Imaging of Human Cartilage
INTRODUCTION In this study of human cartilage, we tested the hypothesis that the magic angle effect is reduced more in MT-weighted images than in T2-weighted images. Articular cartilage has three structural zones distinguished by collagen fiber orientations: superficial zone, transitional zone, and radial zone. When collagen fibers are oriented at 54.7°with respect to the main magnetic field of...
Wolbachia is a maternally inherited and ubiquitous endosymbiont of insects. It can hijack host reproduction by manipulations such as cytoplasmic incompatibility (CI) to enhance vertical transmission. Horizontal transmission of Wolbachia can also result in the colonization of new mitochondrial lineages. In this study, we present a 15-year-long survey of Wolbachia in the cherry fruit fly Rhagolet...
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