Document Detail

Permeability of the urinary bladder of the turtle, Pseudemys scripta elegans, to ammonia.
MedLine Citation:
PMID:  2569373     Owner:  NLM     Status:  MEDLINE    
1. The permeability of the isolated turtle urinary bladder to ammonia was investigated by varying the ratio of NH3 to NH4+ concentration in the serosal bath and measuring the flux of ammonia into the mucosal bath. 2. The permeability of the turtle bladder to NH3 was in the range of 5.4-6.1 x 10(-3) cm/sec and the permeability of the unstirred layer to NH4+ was in the range of 1.1-2.1 x 10(-5) cm/sec. 3. The flux of ammonia calculated from the permeability of NH3 can account for the decrease in mucosal H+ secretion observed with addition of NH4Cl to the serosal bath.
J A Arruda; G Dytko
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Publication Detail:
Type:  In Vitro; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Comparative biochemistry and physiology. A, Comparative physiology     Volume:  93     ISSN:  0300-9629     ISO Abbreviation:  Comp Biochem Physiol A Comp Physiol     Publication Date:  1989  
Date Detail:
Created Date:  1989-09-13     Completed Date:  1989-09-13     Revised Date:  2008-10-30    
Medline Journal Info:
Nlm Unique ID:  1276312     Medline TA:  Comp Biochem Physiol A Comp Physiol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  519-22     Citation Subset:  IM    
Section of Nephrology, University of Illinois College of Medicine, Chicago 60612.
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MeSH Terms
Ammonia / metabolism*
Hydrogen-Ion Concentration
Turtles / metabolism
Urinary Bladder / metabolism*
Grant Support
Reg. No./Substance:

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