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Related Experiment Video

Updated: May 17, 2026

Using Alizarin Red Staining to Detect Chemically Induced Bone Loss in Zebrafish Larvae
05:03

Using Alizarin Red Staining to Detect Chemically Induced Bone Loss in Zebrafish Larvae

Published on: December 28, 2021

Skeletal examination by alizarin staining.

Lucie Reynaud1, Audrey Jocteur-Monrozier

  • 1Ricerca Biosciences, Saint-Germain sur l'Arbresle, France. Lucie.reynaud@ricerca.com

Methods in Molecular Biology (Clifton, N.J.)
|November 10, 2012
PubMed
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Signal management in pharmacovigilance and human risk assessment of CpG 7909, integrating embryo-fetal and post-natal developmental toxicity studies in rats and rabbits.

Reproductive toxicology (Elmsford, N.Y.)·2017
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FcRn Expression on Placenta and Fetal Jejunum during Early, Mid-, and Late Gestation in Minipigs.

Toxicologic pathology·2015
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Combined fertility and embryotoxicity study.

Methods in molecular biology (Clifton, N.J.)·2012
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Teratology studies in the rabbit.

Methods in molecular biology (Clifton, N.J.)·2012
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Fetal soft tissue examinations by microdissection.

Methods in molecular biology (Clifton, N.J.)·2012
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Reporting of teratology studies.

Methods in molecular biology (Clifton, N.J.)·2012

This study details a skeletal examination method using alizarin staining for regulatory embryo-fetal development studies. This technique ensures thorough bone analysis in fetuses across various species.

Area of Science:

  • Reproductive toxicology
  • Developmental biology
  • Comparative anatomy

Background:

  • Regulatory embryo-fetal development studies necessitate fetal skeletal examination.
  • Alizarin staining is a key technique for visualizing skeletal structures.

Purpose of the Study:

  • To describe a standardized method for skeletal examination of fetuses using alizarin staining.
  • To outline procedures for both internal soft tissue and skeletal examination in regulatory studies.

Main Methods:

  • Fetuses are obtained via caesarean section and externally examined.
  • Internal soft tissue examination via microdissection for larger species (rabbit, minipig).
  • Skeletal examination using alizarin staining for smaller species (rat, mouse) after soft tissue assessment.

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Last Updated: May 17, 2026

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Main Results:

  • A multi-day alizarin staining process allows for detailed skeletal visualization.
  • Examination covers all bones from head to tail in both ventral and dorsal views.
  • Method is adaptable for different species, accommodating variations in size.

Conclusions:

  • The described alizarin staining method provides a comprehensive approach to fetal skeletal examination in regulatory studies.
  • This technique is crucial for assessing developmental abnormalities and ensuring regulatory compliance.