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Furthermore , Ang II stimulated sFlt - 1 production in a dose - and time - dependent manner from human villous explants and cultured trophoblasts but not from endothelial cells , suggesting that trophoblasts are the primary source of sFlt - 1 during pregnancy .
 Anatomy: trophoblasts; Anatomy: endothelial cells; Anatomy: trophoblasts
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: trophoblasts; Anatomy: endothelial cells; Anatomy: trophoblasts