Posterior fontanelle

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Posterior fontanelle
Skull at birth, showing frontal and occipital fonticuli
Latin Fonticulus posterior
TA A02.1.00.029
FMA 75440
Anatomical terminology

The posterior fontanelle (lambdoid fontanelle, occipital fontanelle) is a gap between bones in the human skull (known as fontanelle), triangular in form and situated at the junction of the sagittal suture and lambdoidal suture. It generally closes in 6–8 weeks from birth. A delay in closure is associated with congenital hypothyroidism.

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This article incorporates text in the public domain from page 196 of the 20th edition of Gray's Anatomy (1918)

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