Prostaglandin: Liberation from and formation in perfused frog intestine

1970 ◽  
Vol 266 (3) ◽  
pp. 199-207 ◽  
Author(s):  
J. Bartels ◽  
H. Kunze ◽  
W. Vogt ◽  
Gabriele Wille
Keyword(s):  
Frog Intestine

Espace extracellulaire, perméabilité à l'inuline et accumulation de L-alanine dans l'intestin isolé de Grenouille

1973 ◽  
Vol 51 (1) ◽  
pp. 22-28
Author(s):  
Joël de la Noüe ◽  
André Gagnon
Keyword(s):  
Extracellular Space ◽  
Muscle Layer ◽  
Solute Concentration ◽  
Tissue Water ◽  
Intracellular Amino Acid ◽  
Inulin Space ◽  
Total Tissue ◽  
Frog Intestine

In order to calculate the intracellular concentration of accumulated L-alanine, the extracellular space (inulin-14C) of frog intestine was measured. To check the validity of the technique, frog liver and gastrocnemius were used too. By scraping proximal portions of intestine, the inulin space was found to be similar (around 20% of total tissue water) in both the muscle layer and the mucosa. The mucosal epithelium is an imperfect barrier to inulin while the serosa is very permeable. These results suggest that the interstitial solute concentration is best approximated by equating it to that of the serosal solution. The in vitro inulin space, compared to the in vivo one, increases with time, as does the cellular hydration. The data obtained from measurements of extracellular space and from L-alanine uptake show that the intracellular amino acid is in a free state.

In vivo and in vitro sugar transport in frog intestine

1982 ◽  
Vol 688 (3) ◽  
pp. 798-802
Author(s):  
G. Esposito ◽  
A. Faelli ◽  
M. Tosco ◽  
M.N. Orsenigo ◽  
V. Capraro
Keyword(s):  
Sugar Transport ◽  
Frog Intestine

scholarly journals Giardia agilis: Ultrastructure of the Trophozoites in the Frog Intestine

1998 ◽  
Vol 93 (3) ◽  
pp. 357-361 ◽  
Author(s):  
Maria Inês L Sogayar ◽  
Elisa Aparecida Gregório
Keyword(s):  
Frog Intestine

Prostaglandin release from and formation in perfused frog intestine

1968 ◽  
Vol 259 (2) ◽  
pp. 153-154 ◽  
Author(s):  
J. Bartels ◽  
W. Vogt ◽  
G. Wille
Keyword(s):  
Prostaglandin Release ◽  
Frog Intestine
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