Fontanelles are the soft membraneous regions of the fetus and neonate calvarium where the corners of three or four developing flat bones meet and allow for the growth over the skull over the developing brain.

There are two main, palpable fontanelles in the midline:

There are two smaller paired bilateral fontanelles:

Clinical significance

Related pathology

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 77566
Section: Anatomy
Synonyms or Alternate Spellings:
  • fontanel

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Cases and figures

  • Figure 1: neonatal cranium (Gray's anatomy illustration)
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