Several techniques are employed in quantitative histology, including but not limited to: 1. Stereology: This technique provides three-dimensional information from two-dimensional tissue sections, enabling accurate estimation of volume, surface area, and number of objects. 2. Image Analysis Software: Tools like ImageJ, CellProfiler, and HALO can be used to quantify various histological features such as cell count, staining intensity, and area measurement. 3. Flow Cytometry: Although not traditional histology, flow cytometry can be combined with histological techniques for detailed quantitative analysis of cell populations. 4. Digital Pathology: Whole slide imaging and digital pathology platforms allow for high-throughput and automated quantitative analysis.