M sign (inferior frontal gyrus)

A.Prof Frank Gaillard et al.

The M sign refers to the characteristic "M" configuration of the inferior frontal gyrus, as it forms (from front to back) the pars orbitalis, pars triangularis, and, pars opercularis.

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Article information

rID: 49414
Section: Anatomy, Signs
Synonyms or Alternate Spellings:

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Cases and figures

  • Figure 1: inferior frontal gyrus
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