While CSF itself is a fluid and not a tissue, histological techniques can be applied to cells and microorganisms present in the CSF. These include: Staining: Various stains, such as Gram stain for bacteria and India ink for fungi, help visualize microorganisms under a microscope. Cytology: Cells present in the CSF can be examined for abnormal shapes or quantities, aiding in the diagnosis of conditions like meningitis or malignancies.
