Squamomastoid suture

The squamomastoid suture is the cranial suture at the outer surface between the squamous and (petro)mastoid portion of the temporal bone. It is also called the external petrosquamous suture 2 or external posterior petrosquamosal suture 3 as it actually represents the posterior and external aspect of the petrosquamous suture.

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 53911
System: Head & Neck
Section: Anatomy
Synonyms or Alternate Spellings:
  • External posterior petrosquamosal suture
  • External petrosquamous suture
  • Sutura squamomastoidea

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