Related Experiment Video

Updated: May 3, 2026

Author Spotlight: Experiential Tool for Teaching Active Transport Using Ex Vivo Histidine Uptake
04:40

Author Spotlight: Experiential Tool for Teaching Active Transport Using Ex Vivo Histidine Uptake

Published on: October 4, 2024

2.3K

Sodium chloride-dependent oxalate absorption in the human gut

K Yamakawa, T Kato, J Kawamura

    International Journal of Urology : Official Journal of the Japanese Urological Association
    |January 24, 2014
    PubMed

    More Related Videos

    Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis07:45

    Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis

    Published on: February 9, 2021

    2.9K
    Functional Assessment of Intestinal Tight Junction Barrier and Ion Permeability in Native Tissue by Ussing Chamber Technique06:43

    Functional Assessment of Intestinal Tight Junction Barrier and Ion Permeability in Native Tissue by Ussing Chamber Technique

    Published on: May 26, 2021

    5.4K

    Related Concept Videos

    Reabsorption and Secretion in the Loop of Henle01:17

    Reabsorption and Secretion in the Loop of Henle

    The thick ascending limb of the nephron loop has Na+–K+–2Cl− symporters in the apical membranes of its cells. These symporters simultaneously reclaim one sodium ion, one potassium ion, and two chloride ions from the tubular fluid. Sodium ions are actively transported into the interstitial fluid at the base and sides of the cell, diffusing into the vasa recta. Chloride ions move through leakage channels in the basolateral membrane into the interstitial fluid and then into the...
    4.6K
    Mineral, Vitamin and Water Absorption01:27

    Mineral, Vitamin and Water Absorption

    Electrolytes are essential minerals and ions primarily obtained from the diet and absorbed through the gastrointestinal tract. Most electrolytes are absorbed in the small intestine. While the absorption of iron and calcium primarily occurs in the duodenum, calcium is also absorbed in the jejunum and ileum. In these regions, passive diffusion contributes to its absorption alongside active transport mechanisms in the duodenum. These ions can exit the enterocytes through specialized active...
    2.2K
    Methods for Studying Drug Absorption: In situ01:09

    Methods for Studying Drug Absorption: In situ

    In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
    The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
    887
    Methods for Studying Drug Absorption: In vitro01:16

    Methods for Studying Drug Absorption: In vitro

    In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
    The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
    844
    Glucose Absorption Into the Small Intestine01:26

    Glucose Absorption Into the Small Intestine

    Complex carbohydrates consumed cannot be absorbed into the small intestine in their original form. First, they must be hydrolyzed to a monosaccharide form such as glucose or galactose. These monosaccharides are then transported across the intestinal membrane and into the blood via transcellular transport. The intestinal epithelial cells allow the movement of these monosaccharides with a defined 'entry' through membrane transporter proteins present on their apical membrane and...
    34.0K
    Reabsorption and Secretion in the PCT01:28

    Reabsorption and Secretion in the PCT

    The Proximal Convoluted Tubule, or PCT, plays a pivotal role in the body's filtration system. They are primarily responsible for reabsorbing solutes and water from the filtered fluid produced by the glomeruli. Most of the filtered water, ions, and organic solutes such as glucose and amino acids are reabsorbed by the PCT.
    Transport mechanisms involving sodium ions (Na+) contribute significantly to solute reabsorption. These mechanisms include symport and antiport processes.
    A key example is the...
    4.4K