Several types of substances can be injected depending on the purpose of the study:
- Dyes: Such as eosin and hematoxylin, which stain different cellular components. - Fluorescent Markers: Such as fluorescein, used for fluorescent microscopy. - Radioactive Tracers: For autoradiography studies. - Fixatives: Such as formaldehyde or glutaraldehyde, to preserve tissue structure. - Enzymes and Antibodies: For enzyme histochemistry and immunohistochemistry.
