M sign (inferior frontal gyrus)

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.

Inspired signs

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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