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Topic: Renal cortex


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In the News (Tue 7 Oct 08)

  
  Renal Diseases in Cats - WSAVA 2002
Renal lymphoma is an infiltration of one or both kidneys of the cat by tumoral lymphocytes, particularly alimentary lymphomas.
Renal hypertrophy must be considered with caution as it may be a compensatory hypertrophy, the controlateral kidney being the injured kidney.
The knowledge of the incidence of renal diseases of the cat and the use of a clinical, biological and histological methodology allow the clinician to make the diagnosis without cutting corners and as far as it is possible, to avoid performing a needle biopsy.
www.vin.com /proceedings/Proceedings.plx?CID=WSAVA2002&PID=2709   (1384 words)

  
  Ultrasound Renal Cortex   (Site not responding. Last check: 2007-10-30)
The cortex of doctor the kidney is hypoechoic In most institutions ultrasound for the detection of renal calculi is We conclude that an ultrasound guided renal allograft biopsy using a biopsy gun is the The needle was advanced 1cm into renal cortex beyond the fibrous capsule.
Ablative renal surgery is Ultrasound can detect renal tumors reliably guide a cryoprobe to the tar In one type of the ultrasound alterations corticomedullary demarcation was distinct and the renal cortex was remarkably thin which was best seen in the dorsal (frontal) imaging plane.
Ultrasound examination B Left renal artery (True / false) C Cranial mesenteric artery Related terms are fetal gender symptom ultrasound importance of quality assurance in ultrasound ultrasound renal cortex echogenic cardiac foci ultrasound and used medical equipment pueblo.
www.ims-ca.com /ultrasound-renal-cortex.htm   (321 words)

  
 BioMed Central | Full text | Hypothyroidism attenuates protein tyrosine nitration, oxidative stress and renal damage ...
Renal IR is associated with acute renal failure [3,4] as well as proximal tubular damage [1-3].
Areas of the kidney (renal cortex, outer medulla and inner medulla) were macroscopically dissected using a razor blade and frozen at -70°C for further measurement of enzymatic activities.
Renal cortex, outer medulla and inner medulla were homogenized in a Polytron (Model PT 2000, Brinkmann, Westbury, NY, USA) for 10 seconds in cold 50 mM potassium phosphate, 0.1% Triton X-100, pH = 7.0 [28].
www.biomedcentral.com /1471-2369/6/12   (5874 words)

  
 2. Tutorial   (Site not responding. Last check: 2007-10-30)
Renal lobes are present in the embryo but cannot be defined in the adult.
The renal arteries usually arise at 90 degrees from the aorta at the level of the intervertebral disc between L1 and L2.
The left renal vein is longer than the right and receives the left suprarenal vein and the left gonadal vein (during development the gonads descend to the pelvis and take their blood supply with them).
d-mis-web.ana.bris.ac.uk /calnet/renal1/page2.htm   (908 words)

  
 ScienceDaily: Excretory system   (Site not responding. Last check: 2007-10-30)
Each kidney is made up of three sections: the renal cortex, the renal medulla and the renal pelvis.
The renal cortex is the outer layer of the kidney and the medulla is the inner layer of the kidney.
Kidney transplantation -- Kidney transplantation or renal transplantation is the organ transplant of a kidney in a patient with end-stage renal...
www.sciencedaily.com /encyclopedia/Excretory_system   (1637 words)

  
 Dorlands Medical Dictionary
of cerebellum cerebellar cortex: the superficial gray matter of the cerebellum; it consists of three layers, the stratum moleculare, stratum granulosum, and stratum purkinjense.
Brodmann's area 17: the part of the occipital lobe of the cerebral cortex that receives the fibers of the optic radiation from the lateral geniculate body and is the primary receptive area for vision; so called because of the prominent broad line or stria of Gennari.
(cor”tĭ-ko-med´u-lar-e) pertaining to the cortex and medulla of an organ.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_c_57zPzhtm   (2242 words)

  
 Renal biopsies: What are some benefits and risks - DVM
Before attempting renal biopsy in a patient, individuals unfamiliar with the use of biopsy needles and techniques should gain experience by obtaining samples from animals at the time of euthanasia or from cadavers.
Because renal arteries are end-arteries without collateral blood supply, sudden occlusion or transection of any portion of the arterial tree will be followed by ischemia and infarction of parenchyma distal to the site deprived of perfusion.
Reduction in the thickness of renal cortex as a consequence of chronic progressive renal disease increases the likelihood of needle damage to larger intrarenal vessels such as the arcuate arteries.
www.dvmnewsmagazine.com /dvm/article/articleDetail.jsp?id=40981   (1216 words)

  
 Hemispherx Biopharma, Inc. -- Research & Development: Renal Cell Carcinoma
Renal cell cancer (RCC) is the most common malignancy of the kidney and accounts for approximately 3% of adult malignancies.
RCC arises from the proximal renal tubular epithelium.
The most common presentation of renal cell cancer is a solitary renal mass that may cause symptoms of pain and hematuria.
www.hemispherx.net /content/rnd/renal_cell.htm   (773 words)

  
 Renal Embryology and Anatomy
The renal pyramids are longitudinally striated, due to the parallel array of tubules, ducts and vasa recta.
A renal lobe is defined as a pyramid with its corresponding cap of renal cortex.
The renal calyxes are cup-shaped extensions of the renal pelvis.
umed.med.utah.edu /MS2/renal/embryanat.html   (2031 words)

  
 eMedicine - Renal Cortical Necrosis : Article by Elif Erkan, MD
Background: Renal cortical necrosis (RCN) is a rare cause of acute renal failure secondary to ischemic necrosis of the renal cortex.
The lesions are usually caused by significantly diminished renal arterial perfusion secondary to vascular spasm, microvascular injury, or intravascular coagulation.
Acute renal failure is typical, with associated complications (eg, hyperkalemia, fluid overload).
www.emedicine.com /ped/topic1989.htm   (1283 words)

  
 TheParts
The cortex is visible near the outer edge of the cross-sectioned kidney.
The renal columns are lines of the kidney matrix which support the cortex of the kidney.
The renal sinus is the cavity within the kidney which houses the renal pyramid.
coe.fgcu.edu /faculty/greenep/kidney/TheParts.htm   (415 words)

  
 [No title]   (Site not responding. Last check: 2007-10-30)
The substance of the kidney is divided into two distinct regions: an inner medulla and an outer cortex.
The "renal medulla" is composed of conical masses of tissue called "renal pyramids," whose bases are directed toward the convex surface of the kidney, and which apex to form the renal papillae.
Its tissues dip into the medulla between adjacent renal pyramids to form "renal columns." The granular appearance of the cortex is due to the random arrangement of tiny tubules associated with "nephrons," the functional units of the kidney.
www.innerbody.com /text/card64-new.html   (97 words)

  
 RENAL
Renal cell carcinoma arises in the renal cortex, has a propensity to invade the renal vein and can extend into the IVC up to the heart.
TCC may arise from the renal calyces, pelvis, ureters, bladder, urethra and urothelium lined ducts in the prostate.
Microangiopathy with endothelial swelling and thrombosis of renal arterioles.
medinfo.ufl.edu /~bms5191/renal/renal.html   (692 words)

  
 Reference.com/Encyclopedia/Renal cortex
The renal cortex is the outer portion of the kidney between the renal capsule and the renal medulla.
It contains the renal corpuscles and the renal tubules except for parts of the loop of Henle which descend into the renal medulla.
The renal cortex is the part of the kidney where ultrafiltration occurs.
www.reference.com /browse/wiki/Renal_cortex   (142 words)

  
 Kidneys
Grossly, the structure of the kidney consists of the cortex, medulla (inner and outer zones of outer medulla and papilla or inner medulla), pyramids, renal calyxes and pelvis, and ureters.
Renal vessels and the ureter draining the kidney pass through the hilus and branch within the renal sinus.
The renal corpuscle and both convoluted tubules lie in the renal cortex of the kidney, whereas the loop of Henle extends into the renal medulla, makes a hairpin turn, and then returns to the renal cortex.
www.pitt.edu /~anat/Abdomen/Kidneys/Kidneys.htm   (2955 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: 2007-10-30)
As the renal tubules grow, they come into contact and join with connecting tubules of the collecting duct system, forming a continuous passage for flow from the renal tubule to the collecting duct.
Pyelonephritis is infection of the kidneys and is frequently caused by complication of a urinary tract infection.
If the glomerular filtration rate (a measure of renal function) has fallen very low (end-stage renal failure), or if the renal dysfunction leads to severe symptoms, then renal replacement therapy is indicated, either dialysis or renal transplantation.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=kidney   (2266 words)

  
 Laboratory Twenty: Urinary System
Study the renal corpuscle and identify: the parietal layer of Bowman's capsule, the urinary space, and the glomerulus containing podocytes (visceral layer of Bowman's capsule), endothelial cells and mesangial cells.
Compare the distribution of the tubules as one proceeds from the base of the pyramid (near the cortex of the kidney) to the apex of the pyramid (projects toward the calyx).
Examine, the renal corpuscle and identify: the parietal layer of Bowman's capsule, urinary space, the glomerulus containing podocytes (visceral layer of Bowman's capsule), endothelial cells and mesangial cells, the urinary pole of the renal corpuscle, and the vascular pole.
medinfo.ufl.edu /year1/histo/review/lab20.html   (1539 words)

  
 Renal cortex ion composition and Na-K-ATPase activity in gentamicin nephrotoxicity -- Cronin et al. 242 (5): 477 -- AJP ...
Renal cortex ion composition and Na-K-ATPase activity in gentamicin nephrotoxicity -- Cronin et al.
Renal cortex ion composition and Na-K-ATPase activity in gentamicin nephrotoxicity
nephrotoxicity was characterized by a significant reduction in renal cortex
ajprenal.physiology.org /cgi/content/abstract/242/5/F477   (260 words)

  
 [No title]   (Site not responding. Last check: 2007-10-30)
A "renal corpuscle" is composed of tangled clusters of blood capillaries called a "glomerulus," and a thin-walled, saclike structure, called the "Bowman's capsule," which surrounds the glomerulus.
It is composed of two layers of cells: an inner layer that closely covers the glomerulus, and an outer layer that is continuous with the inner layer and with the wall of the renal tubule.
The coiled portion is named the "proximal convoluted tubule." Several of the distal convoluted tubules merge into the renal cortex to form a collecting duct, which in turn passes into the renal medulla, becoming larger and larger as it joins other collecting ducts, the resulting tube is called the papillary duct.
www.innerbody.com /text/card65.html   (166 words)

  
 BME 5010, CHAPTER 16A, B: THE KIDNEYS (RENAL PHYSIOLOGY)   (Site not responding. Last check: 2007-10-30)
The outer portion of the kidney is the cortex and the inner portion the medulla.
The renal pelvis is continuous with the ureter, which passes from the kidney to the bladder, where urine is temporarily stored.
A renal clearance test helps one determine if the kidney is healthy and functioning properly by measuring the ability of the kidney to eliminate a given substance in a standard time.
ttb.eng.wayne.edu /~cavanau/bme5010/f2000/renphy1.html   (2445 words)

  
 renal cortex
Alterations of renal cortex and medullary glycosaminoglycans in aging dog kidney.
Effect of age on parathyroid hormone and forskolin stimulated adenylate cyclase and protein kinase activity in the renal cortex.
Ontogenesis of the kidney in the congenital hypothyroid rat.
www.arclab.org /node_pages/740.html   (262 words)

  
 Urinary system Encyclopedia of Nursing and Allied Health - Find Articles
The hilus is the indentation found along the medial side (the side closest to the midline of the body) of the kidney and is the point at which blood vessels (the renal artery and renal vein), nerves, and the ureter enter and exit the organ.
The outer layer of the kidney is called the renal cortex, and the inner region of the organ is called the renal medulla.
Urine is transported from the renal pelvis of each kidney to the urinary bladder by way of a thin muscular tube called the ureter.
www.findarticles.com /p/articles/mi_gGENH/is_/ai_2699003820   (941 words)

  
 

Hypothyroidism attenuates protein tyrosine nitration, oxidative stress and renal damage induced by ischemia and ...

Renal IR is associated with acute renal failure 34 as well as proximal tubular damage 123.
Quantitative immunostaining of 3-NT, 4-HNE, and DNP-modified proteins in renal cortex of the four groups of rats studied: CT, HTX, IR, and HTX+IR Quantitative immunostaining of 3-NT, 4-HNE, and DNP-modified proteins in renal cortex of the four groups of rats studied: CT, HTX, IR, and HTX+IR.
The data presented in this work show that hypothyroid rats were significantly more resistant to IR induced renal damage than euthyroid rats and are consistent with the protective effect of hypothyroidism against oxidative stress and tissue damage in several experimental models 424344.
www.biomedcentral.com /content/xml/1471-2369-6-12.xml   (5386 words)

  
 SIU SOM Histology CRR
The epithelium of the initial descending segment of the loop of Henle is similar to that of the proximal convoluted tubule, and is sometimes called the pars recta of the proximal tubule (in contrast to the convoluted pars convoluta).
This segment of the renal tubule continues the return of useful materials from the filtrate to the blood in the peritubular capillaries, like the proximal convoluted tubule by actively pumping small molecules out of the tubule lumen into the interstitial space.
Interlobar arteries and veins arise from the renal artery and vein and ascend between lobes (as the adjective interlobar suggests) from the pelvis across the medulla toward the cortex.
www.siumed.edu /~dking2/crr/rnguide.htm   (4384 words)

  
 Kidney International - Abstract of article: Suppression of chaperone-mediated autophagy in the renal cortex during ...
In the renal hypertrophy that occurs in diabetes mellitus, decreased proteolysis may lead to protein accumulation, but it is unclear which proteins are affected.
Because the lysosomal proteolytic pathway of chaperone-mediated autophagy is suppressed by growth factors in cultured cells, we investigated whether the abundance of substrates of this pathway increase in diabetic hypertrophy.
Proteolysis was measured as lysine release in renal cortical suspensions and protein synthesis as phenylalanine incorporation.
www.nature.com /ki/journal/v65/n6/abs/4494514a.html   (414 words)

  
 Braz J Med Biol Res  vol.34 no.8; Resumen: S0100-879X2001000800003   (Site not responding. Last check: 2007-10-30)
The PCNA reaction was quantified by counting the labeled cells of the glomeruli or renal cortex.
-SM-actin scores in the glomeruli and tubulointerstitium from the renal cortex were 2.0 (2.0; 4.0) and 3.0 (3.0; 4.0), respectively, in patients with FSGS, and 0.5 (0.0; 1.0) and 0.0 (0.0; 0.5) in the controls.
The number of PCNA-positive cells per glomerulus and graded field of tubulointerstitium from the renal cortex was 0.2 (0.0; 0.4) and 1.1 (0.3; 2.2), respectively, for patients with FSGS, and 0.0 (0.0; 0.5) and 0.0 (0.0; 0.0) for controls.
www.scielo.br /scielo.php?script=sci_abstract&pid=S0100-879X2001000800003&lng=es&nrm=iso&tlng=en   (292 words)

  
 [No title]
Renal Inflammations and miscellaneous renal diseases that originate in the pelvis or medulla.
Infection may remain within the kidney of may break throught the renal capsule to the perirenal space where it tends to localize in fat posterior/lateral to the kidney near psoas muscle.
Only 5% of renal failure is due to obstruction, but this is the easiest cause to treat.
moon.ouhsc.edu /jspitz/4802rdx.htm   (1024 words)

  
 Volume changes in the rat renal cortex during urography -- Hegedus et al. 51 (610): 793 -- The British Journal of ...
Volume changes in the rat renal cortex during urography -- Hegedus et al.
renal cortical volume variations during urography was elucidated.
cortex reacted to intravenous injection of hypertonic contrast medium with
bjr.birjournals.org /cgi/content/abstract/51/610/793   (195 words)

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