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Related Concept Videos

Microbial Interactions: Parasitism01:22

Microbial Interactions: Parasitism

Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
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Related Experiment Video

Updated: May 19, 2026

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples
04:57

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples

Published on: April 25, 2025

[Intestinal parasite infections].

Taru Meri1, Antti Lavikainen

  • 1Helsingin yliopisto, Biotekniikan instituutti, Vita-laboratoriot.

Duodecim; Laaketieteellinen Aikakauskirja
|August 14, 2012
PubMed
Summary
This summary is machine-generated.

Intestinal parasite infections, often overlooked causes of diarrhea, present with prolonged symptoms like abdominal pain and nausea due to long incubation periods. Diagnosis relies on identifying parasitic cysts in fecal specimens.

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Last Updated: May 19, 2026

Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples
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Comparative Analysis of Automatic Fecal Analyzer versus Direct Wet Smear Microscopy for Detecting Parasitic Infections in Stool Samples

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Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut
10:05

Trichuris muris Infection: A Model of Type 2 Immunity and Inflammation in the Gut

Published on: May 24, 2011

Area of Science:

  • Medical Parasitology
  • Infectious Diseases
  • Gastroenterology

Context:

  • Diarrhea is a common symptom with diverse etiologies, including viral, bacterial, and parasitic causes.
  • Intestinal parasitic infections are frequently associated with prolonged symptoms and extended incubation periods.
  • Parasitic cysts exhibit environmental resilience, facilitating transmission through contaminated food and water.

Purpose:

  • To highlight the significance of parasitic infections as a cause of prolonged diarrhea.
  • To describe the characteristic symptoms and diagnostic approach for intestinal parasites.
  • To emphasize the transmission routes and environmental persistence of parasitic forms.

Summary:

  • Parasitic infections present with prolonged diarrhea, abdominal pain, and nausea, often following a long incubation period.
  • Infectious parasitic cysts are shed in feces and are environmentally stable.
  • Transmission occurs through ingestion of fecally contaminated food or beverages.
  • Diagnosis involves microscopic examination of formalin-fixed fecal samples for parasitic elements.

Impact:

  • Improved recognition of parasitic infections in differential diagnosis of persistent diarrhea.
  • Enhanced understanding of parasite transmission dynamics and environmental survival.
  • Guidance for diagnostic laboratories on fecal specimen analysis for parasitic identification.