Figure 2. Photograph of a placenta while looking throw an integrating eyepiece marked with a crossed scale, which is used to measure the thickness of vasculosyncytial membrane, trophoblast, and diffusion distance from fetal to the maternal circulation. At high magnification (×100 objective ×10 eyepiece) by routine hematoxylin and eosin (H&E) stain

From

Comparison of Vasculosyncytial Membrane Thickness at Different Gestational Periods

Md. Ashraful Azim, Mohammad Ashfaqur Rahman, Farhana Karim

American Journal of Medical and Biological Research. 2019, 7(1), 20-23 doi:10.12691/ajmbr-7-1-4