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| | British Journal of Pharmacology - Eukaliuric diuresis and natriuresis in response to the KATP channel blocker U37883A: Micropuncture studies on the tubular site of action |
 | | Reabsorption in the proximal convoluted tubule and in the loop of Henle were studied during orthograde microperfusion of the respective tubular segment with U37883A added to the perfusate. | | | After identification of proximal nephron configuration, a perfusion pipette directly attached to a calibrated Hampel microperfusion pump and filled with the appropriate type of artificial tubular fluid (ATF, see Series 3) was inserted into the first surface loop of the proximal convoluted tubule (see Figure 3a). | | | (a) Schematic illustration of the nephron (with glomerulus, proximal tubule, loop of Henle and distal tubule) and of micropuncture manoeuvres. |
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http://www.nature.com/bjp/journal/v127/n8/full/0702742a.html
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| | urin.txt |
| | [19-356]: This slide is a cross section through (1) several proximal convoluted tubules, seen here at the top, bottom, and left-hand side of the field; (2) a centrally disposed thick limb, or distal convoluted tubule; and (3) part of a collecting duct at the right. | | | The urinary pole can be seen at the right and represents the junction of the urinary space of Bowman's capsule with the proximal convoluted tubule. | | | A distal convoluted tubule has been cut longitudinally and is located on the left of this slide. |
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http://www.georgetown.edu/dml/educ/micro/urin/urin.txt
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| | SIU SOM Histology CRR |
| | The length of a proximal convoluted tubule tends to be several times greater than that of a distal convoluted tubule, so sections of proximal tubules are much more common than those of distal tubules in a typical histological slide of renal cortex. | | | 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). | | | The ascending thick segment is lined by simple cuboidal epithelium that is structurally similar to the distal convoluted tubule (as for the proximal tubule, this segment is sometimes called pars recta of the distal tubule in contrast to pars convoluta). |
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http://www.siumed.edu/~dking2/crr/rnguide.htm
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| | CHAPTER 45, BODY FLUID REGULATION AND EXCRETION |
| | a) Red blood cells are removed from the nephron at the proximal convoluted tubule. | | | c) more salt is reabsorbed at the proximal convoluted tubule. | | | Which hormone from the adrenal cortex will cause the distal convoluted tubules to reabsorb more sodium ions? |
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http://www.sirinet.net/~jgjohnso/apbio45quiz.html
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| | URINARY SYSTEM |
| | The distal convoluted tubules differ from the proximal tubules in that: (1) the total diameter of the tubule is smaller, (2) but, the cells are lower producing a larger lumen, (3) the cells are less acidophilic, and (4) the cells do not have a brush border ( Distal Tubules). | | | The nephron is composed of: (1) the glomerulus, a tuft of capillaries, which produces the glomerular filtrate, housed in the renal corpuscle; followed by a series of tubules, specialized for excretion and reabsorption, including (2) the proximal convoluted tubule, (3) the descending and ascending loop of Henle, and (4) the distal convoluted tubule. | | | The glomeruli and the proximal and distal convoluted tubules are found in the cortex. |
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http://lifesci.rutgers.edu/~babiarz/kid.htm
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| | Alwanza: Healthcare: Urinary System Tutorial |
| | Consists of: afferent arteriole (which takes blood into the nephron), efferent arteriole (which brings blood out of the nephron), peritubular capillaries, renal corpuscle (glomerulus plus Bowman's capsule), renal tubule (proximal convoluted tubule, loop of Henle, distal convoluted tubule). | | | absorption of some plasma and nutrients from the renal filtrate by the peritubular capillaries from the proximal and distal convoluted tubules and the loop of Henle (aka tubular reabsorption). | | | Peritubular Capillaries: The network of capillaries surrounding the proximal convoluted tubule, the loop of Henle and the distal convoluted tubule. |
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http://www.alwanza.com/healthcare/urinaryInfo.html
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| | Unknowns: Urinary System |
| | (1) proximal convoluted tubule; (2) juxtaglomerular apparatus; (3) macula densa; (4) collecting tubule | | | (1) proximal convoluted tubule; (2) glomerulus; (3) parietal layer of Bowman's capsule; (4) distal convoluted tubule | | | (1) proximal convoluted tubule; (2) distal convoluted tubule; (3) renal corpuscle |
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http://casweb.cas.ou.edu/pbell/Histology/Tests/Unknowns/Urinary/ans.html
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| | Bio 137 |
| | The process occurs partly in the proximal convoluted tubule, but distal convoluted and collecting tubules are very active in secretion. | | | BUTif body needs more water, antidiuretic hormone (ADH) is released from the posterior pituitary gland, and it opens the distal convoluted tubule and collecting tubule to allow water reabsorption there. | | | Instead, the body retrieves from the tubule what it needs and wants. |
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http://www.dacc.cc.il.us/~lgarrett/Urinary.html
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| | C:\COOPER\Anat118\urinary98.htm |
| | The proximal convoluted tubules are the most numerous cross-section, because this is the longest segment of the nephron. | | | The distal tubule continues from the thick ascending limb of Henle in the medulla as a straight segment passing back into the cortex next to the originating renal corpuscle for that nephron and then on as a convoluted segment continuing on to the collecting duct. | | | The primary function of the distal tubule is to reabsorb NaCl. |
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http://www.sacs.ucsf.edu/home/cooper/Anat118/urinary/urinary98.htm
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| | General Biology 2, lecture on Homeostasis |
| | The renal corpuscles and proximal convoluted tubules are located in the cortex of the kidney. | | | Approximately 65 -75% of the water and salts in the filtrate are reabsorbed from the proximal convoluted tubule. | | | The filtrate is hyposmotic because of the active extrusion of Na Urea and other waste molecules do not cross the wall of the distal tubule and remain in the filtrate. |
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http://www.usd.edu/biol/genbio/153/ken/kr10.html
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| | URINARY system |
| | The proximal convoluted tubule, which is located in the cortex, is a twisted area continuous with the renal capsule. | | | The renal tubule is subdivided into three segments: the proximal convoluted tubule, the loop of Henle, and the distal convoluted tubule. | | | The distal convoluted tubule, which is located in the cortex, is a twisted area at the end of the renal tubule. |
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http://sciences.aum.edu/BI/BI2100/cadams/urinary.htm
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| | The Workings of the Kidney -- (PKD) Polycystic Kidney Disease Access Center |
| | The collecting tubules are relatively straight, distinguishing them from the proximal and distal convoluted tubules. | | | It is bordered by the proximal and distal segments of the convoluted tubule and features both the ascending and descending limb flanking the U-turn. | | | The collecting tubules of the kidney are responsible for collecting the urine from the distal convoluted tubule of the nephron and passing it to the calyces, and from there into the renal pelvis reservoir. |
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http://www.nhpress.com/pkd/kidney/howwork.html
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| | Holistic Health Encyclopedia - P |
| | The most proximal part of the renal tubule, extending from the glomerular capsule to the proximal straight tubule. | | | Part of the descending limb of the renal tubule, extending from the thin tubule to the distal convoluted tubule. | | | Nearest; closer to any point of reference: opposed to distal. |
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http://www.thehealthguardian.com/glossary/P.html
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| | 2401 Lecture notes exam 4 |
| | Most of the components of the filtrate are reabsorbed by the time they reach the end of the proximal convoluted tubule. | | | This is an area where the distal convoluted tubule lies against the afferent arteriole. | | | The distal convoluted tubules and the collecting tubules are where selective transport (fine-tuning controlled by hormones) and secretion occur. |
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http://www.accd.edu/SAC/biology/ratorres/printouts/phn8.htm
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| | Quiz 4 |
| | distal convoluted tubule, loop of Henle, proximal convoluted tubule, collecting duct | | | proximal convoluted tubule, loop of Henle, collecting duct, distal convoluted tubule | | | Which of the following indicates the parts of a renal tubule in the correct sequence from beginning to end? |
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http://users.rowan.edu/~kang/SFIIQ4.html
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| | homepage4 |
| | In the proximal convoluted tubule all the glucose and amino acids are recovered by active transport across the tubular epithelium. | | | This structure acts to compare what comes into the glomerulus in the blood to what is leaving via distal convoluted tubule. | | | The cells of the distal convoluted tubule and afferent arteriole of a nephron are in close contact and are modified to a structure called the macula densa. |
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http://www.nvo.com/jin/homepage4
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| | histnoteuro.html |
| | These differ from the nephrons in their embryonic origin and can be easily distinguished from the proximal and distal tubules in sections. | | | As the reduced volume of filtrate ascends toward the distal convoluted tubule in the cortex, the removal of chloride and sodium (but not water) by the cells lining this portion of the loop causes the fluid in its lumen to gradually become isotonic or hypotonic. | | | Angiotensin II, a vasoconstrictor, increases blood pressure and stimulates aldosterone production by the adrenal cortex, thereby increasing chloride and sodium reabsorption by the distal tubule. |
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http://www.loyno.edu/~chood/histnoteuro.html
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| | NDI Terminology - tubule |
| | thin tubule - Part of the renal tubule (see above) at the lower end where the walls are especially thin; it extends from the proximal straight tubule (see above) to the distal straight tubule (see above). | | | distal straight tubule - Part of the renal tubule (see below) primarily on the ascending limb, extending from the thin tubule (see below) to the distal convoluted tubule (see above). | | | distal convoluted tubule - A distal, rolled-together or coiled part of the ascending limb of the renal tubule (see below), extending from the distal straight tubule (see below) to the junctional (connecting) tubule (see below). |
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http://www.ndif.org/Terms/tubule.html
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| | Kidney |
| | The segment that drains glomerular filtrate from the Bowman's capsule is the proximal convoluted tubule. | | | Fluid flows from the distal convoluted tubule into the collecting duct system, which consists of: | | | The next portion of the tubule is the loop of Henle, which leads to the distal convoluted tubule. |
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http://www.asinah.net/articles/content/k/ki/kidney.html
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| | New Page 1 |
| | The renal tubule leads away from the glomerular capsule and first becomes a highly coiled proximal convoluted tubule, then leads to the nephron loop, and finally to the distal convoluted tubule. | | | When the filtrate reaches the distal Convoluted Tubule, some substances pass from the blood into the filtrate through a process called SECRETION. | | | At the point of contact between the afferent and efferent arterioles and the distal convoluted tubule, the epithelial cells of the distal tubule form the macula densa. |
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http://www.vikingnet.org/cook/urinarynotes.htm
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| | dichlorvos.html |
| | The isoenzyme is located only in the proximal tubule, while the isoenzyme is located in the distal convoluted tubule, the loop of Henle, and the collecting ducts of the kidney. | | | Taylor and Francis, washington, D.C. Urinary Alpha and Pi Isoenzymes of Glutathione S-Transferase: Radio-immunological and Elisa techniques have been developed for quantitation of and isoenzymes of glutathione S-transferase (GST), which are constitutive proteins in the kidney. | | | Damage to epithelial cell membranes can result in the increased excretion of these isoenzymes in the urine. |
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http://www.gulflink.osd.mil/pest_final/pest_final_refs/n74en263/dichlorvos.html
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| | Unit O — Urinary System |
| | The cells that line the proximal convoluted tubule are specialized for | | | In which kidney region are the majority of Bowman's capsules found? | | | Hydrogen ions, penicillin, and histamines pass into urine from the |
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http://www.biology-study-guides.com/selftests/12_o_j.html
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| | SIU SOM Histology CRR |
| | The length of a proximal convoluted tubule tends to be several times greater than that of a distal convoluted tubule, so sections of proximal tubules are much more common than those of distal tubules in a typical histological slide of renal cortex. | | | 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). | | | Blood leaving the glomerulus has been thickened by loss of water and other components (but most of these components are immediately reabsorbed from the proximal tubule into peritubular capillaries). |
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http://www.siumed.edu/~dking2/crr/rnguide.htm
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| | Profiling of renal tubule Na+ transporter abundances in NHE3 and NCC null mice using targeted proteomics -- Brooks et al. 530 (3): 359 -- The Journal of Physiology Online |
| | PCT, proximal convoluted tubule; PST, proximal straight tubule; TAL, thick ascending limb; DCT, distal convoluted tubule; CNT, connecting tubule; CCD, cortical collecting duct; OMCD outer medullary collecting duct. | | | We emphasize that compensatory increases in Na absorption may have occurred in segments other than the distal convoluted tubule as a result of changes that would not ordinarily be detectable by immunoblotting, such as trafficking, phosphorylation, protein-protein interactions or altered driving forces for Na movement. | | | This approach profiles the entire renal tubule with regard to changes in apical Na transporter and aquaporin abundance in response to specific systemic physiological perturbations. |
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http://jp.physoc.org/cgi/content/full/530/3/359
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| | Cloning and localization of KCC4 in rabbit kidney: expression in distal convoluted tubule -- Velázquez and Silva 285 (1): 49 -- AJP - Renal Physiology |
| | PCT, promixal convoluted tubule; PST, proximal straight tubule; mTAL and cTAL, medullary and cortical thick ascending limb of Henle's loop, respectively; DCT, distal convoluted tubule; CNT, connecting tubule; CCD, cortical colleting duct; GLM, glomerulus; OMCD, outer medullary collecting duct; OCRL, Oculocerebrorenal Syndrome of Lowe. | | | In situ studies of distal convoluted tubule in rat. | | | Multiple pathways for potassium transport across basolateral membrane of rabbit distal convoluted tubule cell (Abstract). |
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http://ajprenal.physiology.org/cgi/content/full/285/1/F49
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