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. 2018 Jul 26;150(4):361–370. doi: 10.1007/s00418-018-1699-0

Fig. 3.

Fig. 3

Endoglandular trophoblast invasion. Sections from the first trimester decidua basalis (gestational age 7–8 weeks). ad Immuno-double staining for cytokeratin 7 (blue) and HLA-G (appears brown/dark violet) without nuclear counterstain. a, b Endoglandular trophoblasts (arrows) replace the epithelium of uterine glands (lumen of gland: asterisk). c Endoglandular trophoblasts are also situated in the glandular lumen. d Epithelium of invaded glands often appears disintegrated. Endoglandular trophoblasts, arrows; lumen of gland, asterisk. Scale bars represent 50 µm