Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Anatomy of the Intestines01:23

Anatomy of the Intestines

87.0K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
87.0K
Small Intestine01:15

Small Intestine

3.7K
The small intestine is primarily responsible for digestion and nutrient absorption. It spans from the pyloric sphincter to the ileocecal valve and connects to the large intestine.
The small intestine is divided into three main sections - the duodenum, jejunum, and ileum. The duodenum, approximately 25 cm long, is nearest the stomach. It acts as a 'mixing bowl,' where chyme (partially digested food) blends with digestive enzymes from the pancreas and liver. The duodenum's unique...
3.7K
Large Intestine01:09

Large Intestine

4.8K
The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
The ileocecal sphincter, a mucous membrane fold, guards the opening from the ileum to the large intestine. This valve permits material from the small intestine to pass into the large intestine. Attached to the ileocecal valve is the cecum. This small pouch, approximately 6 cm long, has a twisted, coiled tube known as...
4.8K
Histology of the Large Intestine01:26

Histology of the Large Intestine

2.9K
The large intestine, a vital component of the gastrointestinal tract, is structured with four main layers: the mucosa, submucosa, muscularis, and serosa. Each layer performs a distinct role in facilitating the smooth functioning of the large intestine.
The innermost mucosa layer comprises simple columnar epithelium, lamina propria, and muscularis mucosae. This layer is primarily populated with absorptive cells, tasked with water absorption, and goblet cells, responsible for secreting mucus to...
2.9K
Histology of the Small Intestine01:27

Histology of the Small Intestine

3.5K
The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
3.5K
Bacterial Flora of the Large Intestine01:29

Bacterial Flora of the Large Intestine

1.6K
The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
The normal gut flora of the colon plays a critical role in generating essential vitamins such as vitamins K, B5, and B7.
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Pediatric Anal Pruritus and Misdiagnosis: Dipylidium caninum in a Spanish Child with a Review of Reported Human Cases.

The American journal of tropical medicine and hygiene·2026
Same author

Susceptibility of mice to primary <i>Echinostoma caproni</i> infections is associated with metabolic and structural changes.

Frontiers in immunology·2026
Same author

Concomitant immunity against superimposed homologous Echinostoma caproni infections in mice is mediated by interleuquin-25.

Memorias do Instituto Oswaldo Cruz·2025
Same author

Multiparasitism in Spain in a Korean Visiting Friends and Relatives: Case Report and Review of Imported Cases of <i>Clonorchis sinensis</i> in Europe.

Clinical case reports·2025
Same author

Addendum: Evidence for transmission of <i>Taenia solium</i> taeniasis/cysticercosis in a rural area of Northern Rwanda.

Frontiers in veterinary science·2025
Same author

<i>Blastocystis</i> and <i>Giardia duodenalis</i> infection in a male prison in Spain.

Parasite epidemiology and control·2025

Related Experiment Video

Updated: Jan 22, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis
08:40

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

7.5K

Intestinal Trematode Infections.

Rafael Toledo1, Maria Alvárez-Izquierdo2, Carla Muñoz-Antoli2

  • 1Área de Parasitología, Departamento de Farmacia y Tecnología Farmacéutica y Parasitología, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain. Rafael.Toledo@uv.es.

Advances in Experimental Medicine and Biology
|July 13, 2019
PubMed
Summary

Human intestinal trematodes, common parasitic worms, infect people through contaminated food. Understanding their biology, epidemiology, and control is crucial as infection risks expand globally.

Keywords:
DigeneaIntestinal trematodesbiologyepidemiologyhost–parasite relationshipspathogenicitydiagnosistreatmentcontrolTrematode infection

More Related Videos

A Video Protocol of Retroviral Infection in Primary Intestinal Organoid Culture
09:18

A Video Protocol of Retroviral Infection in Primary Intestinal Organoid Culture

Published on: August 11, 2014

30.3K
RNA Fluorescence in situ Hybridization FISH to Visualize Microbial Colonization and Infection in Caenorhabditis elegans Intestines
08:58

RNA Fluorescence in situ Hybridization FISH to Visualize Microbial Colonization and Infection in Caenorhabditis elegans Intestines

Published on: July 27, 2022

5.0K

Related Experiment Videos

Last Updated: Jan 22, 2026

Chronic Salmonella Infection Induced Intestinal Fibrosis
08:40

Chronic Salmonella Infection Induced Intestinal Fibrosis

Published on: September 22, 2019

7.5K
A Video Protocol of Retroviral Infection in Primary Intestinal Organoid Culture
09:18

A Video Protocol of Retroviral Infection in Primary Intestinal Organoid Culture

Published on: August 11, 2014

30.3K
RNA Fluorescence in situ Hybridization FISH to Visualize Microbial Colonization and Infection in Caenorhabditis elegans Intestines
08:58

RNA Fluorescence in situ Hybridization FISH to Visualize Microbial Colonization and Infection in Caenorhabditis elegans Intestines

Published on: July 27, 2022

5.0K

Area of Science:

  • Parasitology
  • Infectious Diseases
  • Public Health

Background:

  • Intestinal trematodes are widespread parasitic worms infecting humans, with 76 species documented.
  • Infection typically results from consuming raw or undercooked foods containing infective metacercariae.
  • Parasite diversity complicates the study of associated diseases.

Purpose of the Study:

  • To provide a comprehensive overview of human intestinal trematodes.
  • To detail their biology, epidemiology, host-parasite interactions, pathogenicity, and clinical features.
  • To discuss current diagnostic, treatment, and control strategies.

Main Methods:

  • Review of existing literature on human intestinal trematodes.
  • Synthesis of information on parasite morphology, life cycles, and geographical distribution.
  • Analysis of factors influencing the changing epidemiology of these infections.

Main Results:

  • Human intestinal trematodes exhibit significant diversity in morphology, life cycles, and distribution.
  • Factors like globalization, travel, and dietary changes are expanding the at-risk populations.
  • Understanding these expanding risks is essential for effective public health interventions.

Conclusions:

  • Intestinal trematode infections pose a growing global health challenge.
  • Comprehensive knowledge of their biology and epidemiology is vital for control.
  • Integrated approaches are needed to manage and prevent these parasitic infections.