نتایج جستجو برای: transition zone
تعداد نتایج: 366947 فیلتر نتایج به سال:
PURPOSE To study retinal microstructure in Usher Syndrome type 1B (USH1B) caused by MYO7A mutations as a prelude to treatment initiatives. METHODS Patients with MYO7A-USH1B (n=17; ages 5-61) were studied with optical coherence tomography. Retinal laminae across horizontal and vertical meridians were measured. Colocalized visual sensitivity was measured with automated perimetry to enable compa...
[1] Slow earthquakes, characterized by slow slip and associated seismic radiation called non-volcanic tremor, have been observed in major subduction zones worldwide. They constitute an important mode of stress release for the fault’s transition zone, which lies directly downdip of the locked segment, the nucleation zone of large damaging earthquakes. However, the depth of tremor in Cascadia, an...
Approximate expressions are given for the characteristic impedance and propagation wavenumber for linear acoustic transmission through a gas enclosed in a rigid cylindrical duct. These expressions are most complicated in the transition zone where the thermoviscous boundary layers are on the order of the tube radius. The approximations are accurate to within 1% for all frequencies and tube diame...
Diagnosis and management of Hirschsprung's disease (HSCR) requires understanding of the malformation's anatomic features and multigenic nature. Rectal biopsies, intraoperative frozen sections, and resection specimens provide invaluable information. Extraction of these data requires thoughtful biopsy technique, adequate histologic sections, histochemistry, and collaboration of surgeon and pathol...
The Western academy’s growing interest in the contemporary arts in the Arab world illustrates the desire to map “Islam”—problematic as this term is—within the global history of cultures and to integrate it into “Western” models of the writing and documenting of the past. As positive and corrective as these academic approaches may seem,1 the notion of recording time—that is, writing history—is s...
OBJECTIVE To evaluate response to neoadjuvant chemoradiation in the treatment of rectal cancer and to see if it can be predicted whether a particular patient will benefit from such treatment. METHODS The retrospective case series was done at the Aga Khan University Hospital, Karachi, and comprised data related to period from January 2005 to December 2014 of patients with rectal cancer who had...
Growth is characterized by the interplay between cell division and cell expansion, two processes that occur separated along the growth zone at the maize leaf. To gain further insight into the transition between cell division and cell expansion, conditions were investigated in which the position of this transition zone was positively or negatively affected. High levels of gibberellic acid (GA) i...
Bulk 1T-TaSe2 exhibits unusually high charge density wave (CDW) transition temperatures of 600 and 473 K below which the material exists in the incommensurate (I-CDW) and the commensurate (C-CDW) charge-density-wave phases, respectively. The (13)(1/2) × (13)(1/2) C-CDW reconstruction of the lattice coincides with new Raman peaks resulting from zone-folding of phonon modes from middle regions of...
Epithelial cell lines were established from the transition and peripheral zones of human prostate by transduction with cdk4 and hTERT. The properties of these lines were investigated using immunocytochemical markers, ability to generate anchorage-independent colonies and by spectral karyotyping (SKY). Cells were exposed to fractionated doses of gamma irradiation to investigate their ability to ...
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