Physiological mechanisms of intestinal absorbtion

Physiological mechanisms of intestinal absorbtion

The aim of the lecture. To discuss physiological mechanisms of absorbtion in gastro-intestinal tract (GIT).Original positions. In the literature data issues are covered from three sides: 1) topography of absorbtion of substances in various GIT segments: the stomach, duodenum, jejunum, ileum and the...

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Bibliographic Details
Main Author: S. T. Metelsky
Format: Article
Language:Russian
Published: Gastro LLC 2009-06-01
Series:Российский журнал гастроэнтерологии, гепатологии, колопроктологии
Subjects:
absorbtion
ions
sodium
nutrients
gastro-intestinal tract
simple diffusion
facilitated diffusion
osmosis
filtration
peracellular transport
active transport
coupled transport
secondary-energized transport
endocytosis
transcytosis
р-glycoprotein
Online Access:https://www.gastro-j.ru/jour/article/view/1627
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Summary:The aim of the lecture. To discuss physiological mechanisms of absorbtion in gastro-intestinal tract (GIT).Original positions. In the literature data issues are covered from three sides: 1) topography of absorbtion of substances in various GIT segments: the stomach, duodenum, jejunum, ileum and the large intestine; 2) the basic functions of enterocytes; 3) the basic mechanisms of absorbtion in intestine. Seven basic mechanisms of absorbtion of substances in intestine are discussed.Conclusion. Of all GIT parts jejunum and ileum are characterized by the widest spectrum of absorbtion of various compounds. Comprehension of physiological mechanisms of absorbtion in small intestine is of great importance in practical gastroenterology.
ISSN:1382-4376
2658-6673

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