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Terminal complement complex (TCC) and complement component 5a (C5a) protein expression in third‐trimester placenta. Immunohistochemical staining of (a,b) TCC and (c,d) C5a. Representative images of (a,c) a healthy placenta at gestational age 40 + 0 and (b,d) a pre‐eclamptic placenta at gestational age 29 + 6 weeks are shown. Black arrows indicate cytotrophoblasts, transparent arrows indicate syncytiotrophoblast.
