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Capillary diameters increased significantly during pregnancy , especially after 4 weeks , when large flattened sinusoids formed .
 Anatomy: Capillary; Anatomy: sinusoids
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: Capillary; Anatomy: sinusoids