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Theoretical and Practical Aspects of Routine H&E Staining (Online CE Course)

(based on 119 customer ratings)

Author: Anita Buchiane, HT(ASCP) QIHC
Reviewer: James R. Pepoon, BS, HT (ASCP) QIHC

This course will explore the history and application of hematoxylin and eosin (H&E) stains used in the clinical histology laboratory. Basic H&E staining mechanisms and the classification of biological stains will be discussed. The material presented details the chemistry, diagnostic application, and problem solving strategies for H&E stains.

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Continuing Education Credits

P.A.C.E.® Contact Hours (acceptable for AMT, ASCP, and state recertification): 1.5 hour(s)
Course number 578-015-16, approved through 3/31/2018
Course number 20-547955, approved through 9/1/2018


  • Differentiate between natural and synthetic dyes.
  • Analyze progressive staining versus regressive staining.
  • Distinguish between the oxidants and mordants in common hematoxylin and eosin (H&E) stains.
  • Identify cell constituents demonstrated with the H&E stain.
  • Describe the purpose of and reagents used for deparaffinization, hydration, and dehydration.
  • Identify potential problems encountered with routine staining and solutions to resolve them.

Customer Ratings

(based on 119 customer ratings)

Course Outline

Click on the links below to preview selected pages from this course.
  • Introduction
      • Clinical Significance and Correlation of Histology
      • How is Histology Useful to the Pathologist?
      • Application of the Hematoxylin and Eosin (H&E) Stain
      • Why is the H&E Stain the Most Common?
      • Which of the following statements about histology are TRUE? (Choose all that apply.)
  • Categories of Biological Stains
      • Three Broad Categories of Biological Stains
      • Which one of the following categories of stains is used to differentiate between a cell's nucleus and cytoplasm?
      • Which category of stain would you employ if asked to demonstrate muscle in a tissue sample?
  • Classification of Biological Stains
  • Routine Staining in the Histology Laboratory
      • Hematoxylin Oxidation
      • Mordants
      • Commonly used Hematoxylins: Their Oxidizers and Mordants
      • Differentiating
      • The Bluing Step
      • Eosin as a Counterstain
      • Types of Eosin
      • Eosin Differentiation
      • Match the following solutions with its' appropriate use.
      • One advantage of using alcohol-based eosins over aqueous eosins is that they will stain slower and produce a wider range of shades.
      • Other than the cytoplasm of cells, what other tissue constituents are stained with eosin? (Choose all that apply.)
  • Applications of the H&E Stain
      • Healthy Versus Diseased Tissue with H&E Stain
      • Uterus
      • Liver
      • Breast
      • Skin
      • Appendix
      • Fallopian Tube
  • Additional Steps Employed in Routine H&E Staining
      • Paraffin Sections
      • Paraffin Sections, continued:
      • Staining Time Comparisons
      • General H&E Staining Procedures
      • Put the following procedural steps in the correct order for regressive H&E staining.
  • Some Common Problems Encountered in H&E Staining
  • References
      • References

Additional Information

Level of instruction: Intermediate

Intended Audience: Clinical laboratory histotechnologists and technicians,and other medical laboratory personnel who have an interest in this subject matter. This course is also appropriate for histology and clinical laboratory science students,  pathology residents, and practicing pathologists. 
Author information: Anita Buchiane, HT(ASCP) QHIC, is the Lead Histology Technician at Brattleboro Memorial Hospital in Brattleboro, Vermont. Prior to this position, she worked as a Neuropathology/Special Procedures Technician at Baystate Medical Center in Springfield, Massachusetts.  Ms. Buchiane is a graduate of Hartford Hospital School of Allied Health in Connecticut, where she earned her Certificate in Histotechnology, and Greenfield Community College, Greenfield, Massachusetts, where she earned an associates degree in Liberal Arts with a math and science concentration. She is a member of the National Society for Histotechnology and the VT/NH Society for Histotechnology.  She was the recipient of the 2007 Lee G. Luna Foreign Travel Scholarship awarded by the National Society for Histotechnology and the 2010 Region 1 Scholarship awarded by the VT/NH  Society for Histotechnology.
Reviewer information: James R. Pepoon, BS, HT(ASCP) QIHC is the Administrative Director of Clinical Operations and Planning at Brigham and Women's Hospital in Boston.
Course Description: This course will explore the history and application of hematoxylin and eosin (H&E) stains used in the clinical histology laboratory. Basic H&E staining mechanisms and the classification of biological stains will be discussed. The material presented details the chemistry, diagnostic application, and problem solving strategies for H&E stains. 

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How to Subscribe
Histology CE Package$65 Add to cart
Individual course$20 Add to cart

Another skin

Contaminated Xylene


Hepatic Flexure H&E


liver bx 40x H&E

nuclear detail_edit