Related Experiment Video

Updated: May 10, 2026

Functional Characterization of Na+/H+ Exchangers of Intracellular Compartments Using Proton-killing Selection to Express Them at the Plasma Membrane
07:38

Functional Characterization of Na+/H+ Exchangers of Intracellular Compartments Using Proton-killing Selection to Express Them at the Plasma Membrane

Published on: March 30, 2015

Phosphate transport by basolateral plasma membranes of human small intestine

K Kikuchi, F K Ghishan

    Gastroenterology
    |July 1, 1987
    PubMed

    More Related Videos

    Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters11:51

    Application of Electrophysiology Measurement to Study the Activity of Electro-Neutral Transporters

    Published on: February 3, 2018

    Demonstration of Membrane Transport of Histidine using Goat Intestinal Inverted Sacs: An Experiential Pedagogical Tool for Undergraduates04:40

    Demonstration of Membrane Transport of Histidine using Goat Intestinal Inverted Sacs: An Experiential Pedagogical Tool for Undergraduates

    Published on: October 4, 2024

    Related Concept Videos

    Transcellular Transport of Solutes01:23

    Transcellular Transport of Solutes

    Transcellular transport of solutes is the movement of substances like monosaccharides and amino acids through polarized cells. This transport mechanism is primarily seen in epithelial and endothelial cells aided by membrane transport proteins such as channels and transporters. The tight junctions between these cells confine the membrane proteins to the two sides of the cell. The epithelial cells have distinct apical and basolateral domains. In contrast, the endothelial cells show the luminal...
    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 'exit' via the...
    Drug Absorption Mechanism: Passive Membrane Transport01:23

    Drug Absorption Mechanism: Passive Membrane Transport

    Passive transport is a method of drug absorption where small, lipid-soluble drugs can move across the cell membrane. This movement happens along the concentration gradient, which is a natural flow from higher to lower concentration areas. The speed at which the drug moves is directly related to its lipid–water partition coefficient. This means that the more a drug dissolves in lipids, the faster it diffuses or spreads throughout the body. It is important to note that most drugs are either weak...
    Carrier-Mediated Transport01:06

    Carrier-Mediated Transport

    Carrier-mediated transport is a pivotal process in drug absorption, particularly for lipid-insoluble drugs, and encompasses facilitated diffusion and active transport. Facilitated diffusion allows drugs to move along their concentration gradient without energy expenditure, while active transport utilizes ATP to drive drug movement against this gradient.
    Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
    Facilitated Diffusion01:16

    Facilitated Diffusion

    The plasma membrane, a critical structure in cellular biology, houses an array of transporters, or carrier proteins, interspersed within its lipid bilayer. These proteins play a crucial role in solute transport through facilitated diffusion, a form of passive diffusion that uses transporters to move the molecules across the membrane.
    In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
    Absorption of Nutrients01:19

    Absorption of Nutrients

    Absorption refers to taking dietary nutrients from the intestinal lumen for transportation throughout the body. After digestion in the small intestine, carbohydrates, proteins, and fats are broken down into simpler forms. These essential macronutrients and other vital substances, such as vitamins, minerals, and water, are then prepared for absorption into the bloodstream.
    Enterocytes, which are specialized polar epithelial cells, line the mucosa of the small intestinal walls. These cells...