Fixation Through this process, the cells and muscles are preserved in such a way that no changes in their structure occur during chemical factors and they remain in their original state. The chemicals used in this process are called Fixative.
In order to get better results from a good fixative, it is important that the sample taken for examination is fresh. And only a piece of it about a centimeter thick and no bigger than that will not allow the Fixative to embed. The name of the fixative used is Formalin. It is known as Formaldehyde. 10% of it is used for this work which is done in normal saline.
A good fixative has the following properties:
- Prevents muscle and visceral human organ from decaying.
- Keeps the tissue in its original condition and the starch in it also keeps the protein and fat in a safe condition.
- A good fixative is one that preserves the tissue and protects it from damage in other processes of dyeing.
- Maintains tissue volume.
- Tissue (Tissue) is also helpful in coloring.