Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

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...
Blood Supply to the Digestive System01:16

Blood Supply to the Digestive System

Splanchnic circulation refers to the network of blood vessels that supply and drain blood from the abdominal organs involved in digestion, including the stomach, liver, pancreas, intestines, and spleen. This circulation delivers essential nutrients and oxygen while removing waste products from these organs.
Blood Supply to the Digestive System: The splanchnic circulation involves three main arteries: the celiac artery (also known as the celiac trunk) and the superior and inferior mesenteric...
Carbohydrate Absorption01:25

Carbohydrate Absorption

Carbohydrates are essential macronutrients that serve as the body's primary energy source. Their digestion begins in the mouth, where salivary amylase partially breaks down complex carbohydrates such as starch into smaller oligosaccharides. This mechanical and enzymatic activity prepares carbohydrates for further processing in the gastrointestinal tract.
After being swallowed, the partially digested carbohydrates mix with gastric secretions in the stomach. However, the acidic environment...
Protein Absorption01:12

Protein Absorption

Proteins in the gastrointestinal tract typically come from food, but they can also originate from disintegrated cells or secreted enzymes. In the stomach, the enzyme pepsin breaks down these proteins into polypeptides. The fragments then move into the duodenum as a semi-fluid mass called chyme. Pancreatic proteases, such as trypsin and chymotrypsin, and intestinal brush border enzymes like carboxypeptidases further dismantle the polypeptides into tripeptides, dipeptides, and free amino acids.
Physiology of the Gastrointestinal System II: Digestion and Absorption01:22

Physiology of the Gastrointestinal System II: Digestion and Absorption

The gastrointestinal (GI) tract, extending from the mouth to the anus, plays a pivotal role in the digestion and absorption of nutrients. This process involves both mechanical and chemical actions facilitated by various enzymes.
Digestion begins in the mouth, where food undergoes mechanical breakdown by chewing and combines with saliva. Salivary amylase, an enzyme in saliva, starts the breakdown of starches into maltose. The food then travels down the esophagus to the stomach.
In the stomach, a...
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...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Quick uptakes: new cancer marker

JAMA·2001
Same author

Quick uptakes: ACOEM withdraws support

JAMA·2001
Same author

Quick uptakes: inconclusive isoflavones

JAMA·2001
Same author

Quick uptakes: pediatric emergencies

JAMA·2001
Same author

Quick Uptakes: Needlestick Bill Passes.

JAMA·2000
Same author

Quick Uptakes: Aneurysm Guidelines.

JAMA·2000

Video Experimental Relacionado

Updated: Jul 11, 2026

High-throughput Nitrobenzoxadiazole-labeled Cholesterol Efflux Assay
08:18

High-throughput Nitrobenzoxadiazole-labeled Cholesterol Efflux Assay

Published on: January 7, 2019

Aprendizaje rápido: salud cardíaca hispana.

Voelker

    JAMA
    |June 24, 2000
    PubMed
    Resumen

    No abstract available in PubMed .

    Más Videos Relacionados

    An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment
    08:59

    An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment

    Published on: December 3, 2020

    Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
    06:48

    Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

    Published on: July 29, 2020

    Videos de Experimentos Relacionados

    Last Updated: Jul 11, 2026

    High-throughput Nitrobenzoxadiazole-labeled Cholesterol Efflux Assay
    08:18

    High-throughput Nitrobenzoxadiazole-labeled Cholesterol Efflux Assay

    Published on: January 7, 2019

    An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment
    08:59

    An Intestine/Liver Microphysiological System for Drug Pharmacokinetic and Toxicological Assessment

    Published on: December 3, 2020

    Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
    06:48

    Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

    Published on: July 29, 2020