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To delineate the roles that oxygen and fibroblast growth factors ( FGFs ) play in the process of angiogenesis from the embryonic aorta , we cultured mouse embryonic aorta explants ( thoracic level to lateral vessels supplying the mesonephros and metanephros ) in a three - dimensional type I collagen gel matrix .
 Anatomy: embryonic aorta; Anatomy: embryonic aorta explants; Anatomy: thoracic; Anatomy: lateral vessels; Anatomy: mesonephros; Anatomy: metanephros
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: embryonic aorta; Anatomy: embryonic aorta explants; Anatomy: thoracic; Anatomy: lateral vessels; Anatomy: mesonephros; Anatomy: metanephros