نتایج جستجو برای: medullary

تعداد نتایج: 11914  

2004
Mihir M. Thacker

Although tuberculosis of the central nervous system is well known, the incidence of intra-medullary tuberculomas is low and a combination of intra-medullary with intra-cranial tuberculomas is extremely rare. This communication reports a case of disseminated (intra-medullary, intra-cerebellar and intra-cerebral) tuberculomas in a sixyear-old girl initially presenting with a spinal tumour syndrom...

Journal: :Indian Journal of Orthopaedics Surgery 2022

Intertrochanteric fractures can be fixed with various implants surface or intramedullary implants. A study was done on Fixation of trochanteric Hip Nail/Intra Medullary Screw an innovative cephalomedullary nail designed by author to determine its efficacy, union operative use and functional outcome. Trochanteric hip were classified upon number parts, stable unstable in initial 43 cases. All as ...

Journal: :Hypertension 2002
Ayako Makino Meredith M Skelton Ai-Ping Zou Richard J Roman Allen W Cowley

The present study examined whether chronic increased oxidative stress within the medulla of the kidney lowers medullary blood flow and leads to hypertension. Optical fibers were implanted into the renal cortex and medulla of uninephrectomized Sprague-Dawley rats (Harlan Sprague-Dawley, Madison, Wis) for the daily measurement of blood flow to these regions using laser-Doppler flowmetry technique...

Journal: :American journal of physiology. Renal physiology 2016
Eman Y Gohar Joshua S Speed Malgorzata Kasztan Chunhua Jin David M Pollock

Renal endothelin-1 (ET-1) and purinergic signaling systems regulate Na(+) reabsorption in the renal medulla. A link between the renal ET-1 and purinergic systems was demonstrated in vitro, however, the in vivo interaction between these systems has not been defined. To test whether renal medullary activation of purinergic (P2) receptors promotes ET-dependent natriuresis, we determined the effect...

Journal: :Archives of neurology 2000
H Kim C S Chung K H Lee J Robbins

BACKGROUND Aspiration as a symptom of dysphagia and its apparent sequela, aspiration pneumonia, are common consequences of a stroke in the medulla. Previous reports that focused on dysphagia due to a medullary lesion were studies of single cases or a relatively small number of patients with multiple lesion loci. Moreover, the interval between the onset of stroke and the evaluation time of swall...

2005
Lei Ni LEI NI

This is a paper based on author’s lectures delivered at the 2005 Clay Mathematics Institute summer school at MSRI. It serves as an overview on the Kähler-Ricci flow over complete noncompact manifolds.

Journal: :The American journal of physiology 1974
H Sonnenberg

SONNENBERG, H. Medullary collecting-duct function in antidiuretic and in saltor water-diuretic rats. Am. J. Physiol. 226(3): 501-506. 1974.-Microcatheterization of the medullary collecting duct of adult rats was used to study the contribution of water, sodium, and potassium transport in this nephron segment to urinary excretion. In antidiuresis medullary reabsorption of fluid and sodium was 50/...

1998
Richard O. Prum Rodolfo Torres Scott Williamson Jan Dyck

We conducted two-dimensional (2D) discrete Fourier analyses of the spatial variation in refractive index of the spongy medullary keratin from four di¡erent colours of structurally coloured feather barbs from three species of bird: the rose-faced lovebird, Agapornis roseicollis (Psittacidae), the budgerigar, Melopsittacus undulatus (Psittacidae), and the Gouldian ¢nch, Poephila guttata (Estrildi...

Journal: :The Laryngoscope 2010
Christian P Hasney Ronald G Amedee

With fewer than 40 cases described in the otolaryngology literature, mixed medullary papillary thyroid carcinoma represents a rare but phenotypically distinct tumor. While isolated medullary carcinoma may be admixed with normal follicular structures, true mixed carcinoma displays morphological and immunological characteristics of medullary and papillary carcinoma within a single lesion. We repo...

Journal: :The American journal of physiology 1973
K Kurokawa S G Massry

KUROKAWA, KIYOSHI, AND SHAUL G. MASSRY. Interaction between catecholamines and vasopressin on renal medullary cyclic AMP of rat. Am. J. Physiol. 225(4) : 825-829. 1973.-The effects of catecholamines, alphaand beta-adrenergic blockers, and the interaction between these agents and vasopressin on cyclic AMP concentration in suspensions of isolated cortical and medullary tubules of rat kidney were ...

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