anterior fontanelle

(redirected from frontal fontanelle)
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an·te·ri·or fon·ta·nelle

[TA]
a diamond-shaped membranous interval at the junction of the coronal, sagittal, and metopic sutures where the frontal angles of the parietal bones meet the two ununited halves of the frontal bone.

an·te·ri·or fon·ta·nelle

(an-tēr'ē-ŏr fon'tă-nel') [TA]
Membrane-covered gap in the infant cranium where the parietal and frontal bones will meet after fusion occurs.