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To investigate the potential role of sympathetic nerves in preventing pronounced increases in cerebral blood flow , we evaluated the effects of abrupt hypertension on the cerebral circulation of newborn pigs with intact cerebral sympathetic innervation and after cerebral sympathetic denervation .
 Anatomy: sympathetic nerves; Anatomy: cerebral; Anatomy: blood; Anatomy: cerebral; Anatomy: cerebral; Anatomy: cerebral
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: sympathetic nerves; Anatomy: cerebral; Anatomy: blood; Anatomy: cerebral; Anatomy: cerebral; Anatomy: cerebral