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Fixation and Sectioning

Fixation and Sectioning

Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...

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Related Experiment Video

Updated: Jun 4, 2026

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples

Hybrid-Cut: An Improved Sectioning Method for Recalcitrant Plant Tissue Samples

Published on: November 23, 2016

Cutting sections of paraffin-embedded tissues.

Andrew H Fischer, Kenneth A Jacobson, Jack Rose

|March 2, 2011

Summary

This summary is machine-generated.

This protocol details paraffin sectioning for superior tissue morphology. While requiring extensive steps and experience, paraffin embedding offers excellent cellular detail for research.

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Last Updated: Jun 4, 2026

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Area of Science:

Histology
Biotechnology
Medical Research

Background:

Paraffin embedding is a common technique in histology.
It requires extensive tissue fixation and processing.
This method provides superior tissue morphology.

Purpose of the Study:

To describe a protocol for sectioning paraffin-embedded tissues.
To highlight the benefits of paraffin sections for morphological studies.
To emphasize the need for experienced guidance in this technique.

Main Methods:

Tissue fixation and processing for paraffin embedding.
Sectioning of paraffin-embedded tissue blocks using a microtome.
Preparation of tissue sections for microscopic examination.

Main Results:

Paraffin sections exhibit superior morphological detail compared to other methods.
The protocol provides a reproducible method for obtaining high-quality sections.
Successful sectioning relies on proper embedding and microtome use.

Conclusions:

Paraffin sectioning is a valuable technique for detailed histological analysis.
Mastery of this technique requires practice and mentorship.
The resulting tissue morphology is critical for accurate scientific interpretation.