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Related Concept Videos

Chemical Amputation and Regeneration of the Pharynx in the Planarian Schmidtea mediterranea06:14

Chemical Amputation and Regeneration of the Pharynx in the Planarian Schmidtea mediterranea

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The planarian Schmidtea mediterranea is an excellent model for studying stem cells and tissue regeneration. This publication describes a method to selectively remove one organ, the pharynx, by exposing animals to the chemical sodium azide. This protocol also outlines methods for monitoring pharynx regeneration.
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Seizures negatively impact various functions and life quality. Planaria worms were exposed to varying concentrations of chemoconvulsants to evaluate their seizure phenotypes and disruptive motility. This study proposes using planaria worms as a model for acute seizures in humans and holds significance in drug development for...
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An attractive model for studying stem cell differentiation within a live animal is the planarian flatworm. Regeneration is studied by simple amputation experiments that are easily performed in a basic laboratory and are amenable to pharmacological and genetic (in vivo RNAi) manipulation as detailed by protocols in this...
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Freshwater planarians exhibit three gaits (gliding, peristalsis, and scrunching) that are distinguishable by quantitative behavioral analysis. We describe a method to induce scrunching using various noxious stimuli, quantification thereof, and distinction from peristalsis and gliding. Using gene knockdown, we demonstrate the specificity of scrunching as a quantitative phenotypic...
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Updated: Jan 19, 2026

Chemical Amputation and Regeneration of the Pharynx in the Planarian Schmidtea mediterranea
06:14

Chemical Amputation and Regeneration of the Pharynx in the Planarian Schmidtea mediterranea

Published on: March 26, 2018

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Model systems for regeneration: planarians.

Mario Ivankovic1, Radmila Haneckova1,2, Albert Thommen1,3

  • 1Max Planck Institute for Molecular Cell Biology and Genetics, Pfotenhauerstrasse 108, 01307 Dresden, Germany.

Development (Cambridge, England)
|September 13, 2019
PubMed
Summary
This summary is machine-generated.

Planarians, flatworms with remarkable regenerative abilities, are powerful models for studying stem cells and regeneration. This overview highlights their unique assets for understanding regeneration

Keywords:
FlatwormsPlanariansTricladidaTriploblastic animals

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Last Updated: Jan 19, 2026

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Area of Science:

  • * Developmental Biology
  • * Regenerative Medicine
  • * Comparative Genomics

Background:

  • * Planarians are flatworms known for exceptional regenerative capabilities.
  • * Their regeneration relies on abundant pluripotent adult stem cells.
  • * These characteristics establish planarians as a key model organism in biological research.

Purpose of the Study:

  • * To provide a comprehensive overview of planarian biology for regeneration research.
  • * To showcase the utility of planarians as a model system.
  • * To identify key questions addressable with planarian research.

Main Methods:

  • * Review of existing literature on planarian taxonomy and anatomy.
  • * Compilation of available genetic and molecular tools for planarian research.
  • * Synthesis of current understanding of the molecular mechanisms driving regeneration.

Main Results:

  • * Detailed summary of planarian species, anatomical features, and regenerative processes.
  • * Overview of established and emerging research tools for planarian studies.
  • * Identification of critical molecular pathways involved in planarian regeneration.

Conclusions:

  • * Planarians offer unique advantages for studying regeneration due to their stem cells.
  • * This primer synthesizes essential information for researchers new to planarian models.
  • * Further research with planarians can unlock fundamental insights into regeneration and evolution.