U sign (central sulcus)

The U sign denotes the characteristic "U" shaped appearance of the subcentral gyrus which surrounds the inferolateral end of the central sulcus and abuts the lateral (Sylvian) fissure. It has been found, at least in one study, to be the most reliable anatomical feature to identify the central sulcus 1

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Article information

rID: 49419
Sections: Anatomy, Signs
Synonyms or Alternate Spellings:
  • U sign

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