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Inherent rhythmcity and interstitial cells of Cajal in a frog vein
Interstitial cells of Cajal are responsible for rhythmic contractions of the musculature of the gastrointestinal tract and blood vessels. The existence of these cells and spontaneous rhythmicity wereExpand
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Haemolytic effects of hypo-osmotic salt solutions on human erythrocytes.
BACKGROUND While it is well known that hypotonic solutions of sodium chloride induce hemolysis, the effects of other salt solutions on human erythrocytes have not been well documented. OBJECTIVEExpand
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Influence of dietary calcium content on intestinal permeability in rat.
  • J. P. Rao
  • Biology, Medicine
  • The Indian journal of medical research
  • 1 June 2009
BACKGROUND & OBJECTIVE Agents that increase the permeability of intestinal epithelium promote the absorption of nutrients by the gut. High calcium concentration in the gut has been shown to enhanceExpand
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Effects of Evans Blue and Amiloride on Anti-Diuretic Hormone (ADH)-Induced Sodium Transport Across Frog (Rana hexadactyla) Skin
The epithelial sodium channel (ENaC) has four subunits, namely &agr; (alpha), &bgr; (beta), &ggr; (gamma) and &dgr; (delta). The functional ENaC is formed by the combination of either &agr;&bgr;&ggr;Expand
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Actions of antidiuretic hormone analogues on intact and nystatin‐permeabilized frog skins
The roles of two antidiuretic hormone analogues, namely arginine vasotocin (AVT) and lysine vasopressin (LVP), in solute transport across the ventral abdominal skin of frogs (Rana hexadactyla) wereExpand
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Requirement of Potassium for the Action of Anti-Diuretic Hormone (ADH) on Frog Skin
The aim of the present study is to study whether the presence of K+ in bathing media is required for the action of ADH to the ionic transport across the skin in the frog species Rana hexadactyla.Expand
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Transepithelial sodium transport across frog skin.
  • S. Jared, J. P. Rao
  • Chemistry, Medicine
  • Advances in physiology education
  • 1 September 2017
amphibian skin serves as an extra renal organ for the regulation of ion transport across the epithelium ([2][1]). Ion channels and transporters present in the epithelium of frog skin assist in theExpand
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Phenol red inhibits uptake of phosphate by the everted gut sacs of mice.
  • P. Mary, J. P. Rao
  • Chemistry, Medicine
  • The Kobe journal of medical sciences
  • 1 April 2002
Uptake of phosphate by the everted intestinal sacs of mice was measured at various concentrations of this anion in the incubation medium. Phenol red when added to the serosal side was able to inhibitExpand
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Antidiuretic hormone effect on transport of non-charged solutes (urea and glycerol) across the epithelium
Background: The frog skin epithelium is used as a model to demonstrate the transport of various charged and non-charged solutes from the mucosal to serosal side through channels and transporters. TheExpand