R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY
Formation of placenta, fluorescence deconvolution micrograph. Fluorescent dyes have been used to highlight cellular structures and proteins: cell nuclei (blue), actin (green), PLAC1 protein (red). Actin is a protein that is a major part of a cell's cytoskeleton. PLAC1 (placenta-specific 1) is a protein specific to the placenta. This image shows nuclei of syncitiotrophoblasts on placental villi. The placental villi are structures on the surface of the trophoblast layer of the blastocyst, which is the structure formed after fertilisation. The trophoblast layer will eventually form the placenta, which will support an embryo (not seen).
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