Mathematical model of an avian urine concentrating mechanism

American Journal of Physiology - Renal Physiology

Volumn 279, Issue 6 48-6, 2000, Pages

  Layton, H E ^a   Davies, John M ^a   Casotti, Giovanni ^b   Braun, Eldon J ^c  

^a DUKE UNIVERSITY   (United States)

^b WEST CHESTER UNIVERSITY   (United States)

^c UNIVERSITY OF ARIZONA   (United States)

Author keywords

Callipepla gambelii; Coturnix coturnix; Countercurrent multiplication; Kidney

Indexed keywords

SODIUM CHLORIDE;

ARTICLE; COUNTERCURRENT SYSTEM; HENLE LOOP; KIDNEY CONCENTRATING CAPACITY; MATHEMATICAL MODEL; PLASMA OSMOLALITY; PRIORITY JOURNAL; URINE OSMOLALITY;

EID: 0034541342     PISSN: 1931857X     EISSN: 15221466     Source Type: Journal    
DOI: 10.1152/ajprenal.2000.279.6.f1139     Document Type: Article

References (80)

1. On the 'tightness' of the rabbit descending limb of the loop of Henle - Physiological and morphological evidence
2. Body size, medullary thickness, and urine concentrating ability in mammals
3. Entry of nephrons into the collecting duct network of the avian kidney: A comparison of chickens and desert quail
4. Renal function in birds
5. Function of mammalian-type and reptilian-type nephrons in kidney of desert quail
6. Structure of avian loop of Henle as related to countercurrent multiplier system
7. The nature of uric acid in avian urine
8. Function of the thick ascending limb of Henle's loop
9. Morphology of the kidney in a nectarivorous bird, the Anna's hummingbird Calypte anna
10. Ionic composition of urate-containing spheres in the urine of domestic fowl
11. Functional morphology of the avian medullary cone
12. Urinary concentrating mechanism: The role of the inner medulla
13. Structural-functional correlation in chinchilla long loop of Henle thin limbs: A novel papillary subsegment
14. The urinary concentrating mechanism
15. Micropuncture study of water, electrolytes and urea movements along the loops of Henle in Psammomys
16. Production of concentrated urine by avian kidneys
17. An economy of water in renal function referable to urea
18. Mineralocorticoid effects on Na-K-ATPase in individual nephron segments
19. Effect of low potassium diet on Na-K-ATPase in rat nephron segments
20. Structure and concentrating ability in the avian kidney
21. Chloride reabsorption in the rabbit cortical thick ascending limb of the loop of Henle. A sodium dependent process
22. The cortical thick ascending limb and early distal convoluted tubule in the concentrating mechanism
23. The time-course of changes in renal tissue composition during lysine vasopressin infusion in the rat
24. Effect of vasopressin in electrical potential differences and chloride transport in mouse medullary thick ascending limb of Henle
25. Experimental tests of three-dimensional model of urinary concentrating mechanism
26. Das multiplikationsprinzip als grundlage der harnkonzentrierung in der niere
27. NaCl transport in mouse medullary thick ascending limbs. I. Functional nephron heterogeneity and ADH-stimulated NaCl cotransport
28. Functional differentiation of the medullary collecting tubule: Influence of vasopressin
29. Function of the thin ascending limb of Henle of rats and hamsters perfused in vivo
30. Functional heterogeneity of the descending limbs of Henle's loop. I. Internephron heterogeneity in the hamster kidney
31. Urinary organs
32. Distribution and function of classes of ATPases along the nephron
33. Na-K-ATPase activity along the rabbit, rat and mouse nephron
34. Some singular perturbation problems in renal models
35. Measurement of osmolality in kidney slices using vapor pressure osmometry
36. Quantitative analysis of renal medullary anatomy in rats and rabbits
37. Pattern of luminal diameter changes along the descending and ascending thin limbs of the loop of Henle in the inner medullary zone of the rat kidney
38. Sodium chloride and water transport in the descending limb of Henle
39. Aktiver Salztransport als moglicher (und wahrscheinlicher) Einzeleffekt bei der Harnkonzentrierung in der Niere
40. Herstellung konzentrierter Losungen aus verdunnten durch blosse Membranwirkung: Ein Modellversuch zur Funktion der Niere
41. Micropuncture of superficial nephrons in avian (Sturnus vulgaris) kidney
42. Distribution of Henle's loops may enhance urine concentrating capability
43. Urea transport in a distributed loop model of the urine concentrating mechanism
44. Distributed solute and water reabsorption in a central core model of the renal medulla
45. Permeability criteria for effective function of passive countercurrent multiplier
46. A dynamic numerical method for models of renal tubules
47. A dynamic numerical method for models of the urine concentrating mechanism
48. The early phase of experimental acute renal failure. IV. The diluting ability of the short loops of Henle
49. Diluting segment in avian kidney. II. Water and chloride transport
50. Diluting segment in avian kidney. I. Characterization of transepithelial voltages
51. Sodium chloride and water transport in the thin descending limb of Henle of the quail
52. Water transport in collecting ducts of Japanese quail
53. The origin and early evolution of birds
54. Effect of sodium chloride gradients on water flux in rat descending vasa recta
55. Transport of sodium chloride and water in rat ascending vasa recta
56. The extraglomerular microcirculation of the kidney
57. Resistance of descending vasa recta to the transport of water
58. Transport of sodium and urea in outer medullary descending vasa recta
59. Membrane characteristics regulating potassium transport out of the isolated perfused descending limb of Henle
60. Sodium chloride and water transport in the medullary thick ascending limb of Henle. Evidence for active chloride transport
61. Permeability of medullary nephron segments to urea and water: Effect of vasopressin
62. Countercurrent mechanism and its regulation
63. Urine concentrating mechanism and its regulation
64. Quantitative structural analysis of the inner medulla of rabbit kidney
65. Na-K-activated ATPase: Activity maturation in rabbit nephron segments dissected in vitro
66. Renal medullary electrolyte and urea gradient in chickens and turkeys
67. Contributions of glomerular and tubular mechanisms to antidiuresis in conscious domestic fowl
68. In vivo-Beobachtungen an der Nierenpapille von Goldhamstern nachintravenoser Lissamingriin-Injektion
69. Concentration of urine in a central core model of the renal counterflow system
70. Effect of vasa recta flow on concentrating ability of models of the renal inner medulla
71. Electrolyte, urea, and water transport in a two-nephron central core model of the renal medulla
72. Sodium and potassium transport across the cortical and outer medullary collecting duct tubule of the rabbit: Evidence for diffusion across the outer medullary portion
73. +-ATPase activities in renal tubule segments of rat inner medulla
74. UT-A2: A 55-kDa urea transporter in thin descending limb whose abundance is regulated by vasopressin
75. A mathematical model of the inner medullary collecting duct of the rat: Pathways for Na and K transport
76. Three-dimensional anatomy and renal concentrating mechanism. I. Modeling results
77. Three-dimensional anatomy and renal concentrating mechanism. II. Sensitivity results
78. The effect of water deprivation on renal function in conscious unrestrained Gambel's quail (Callipepla gambelii)