Immunohistochemistry (IHC) is a powerful research tool to localize specific antigens in whole-mount or tissue sections of embryos with labeled antibodies based on antigen-antibody interactions. Stereological methods are nowadays an essential tool to quantify cells or other types of structures in an unbiased and reproducible manner. In this chapter, a general protocol for a stereological estimation of the relative volume density of each structural component (Vv), which can be applied to any organ/structural component, will be described.
Keywords: Absolute volume (V); Histological techniques; Point-counting; Relative volume density (Vv).
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