Hypertext Webster Gateway: "fontanel"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Fontanel \Fon"ta*nel`\, n. [F. fontanelle, prop., a little
fountain, fr. fontaine fountain. See {Fountain}.]
1. (Med.) An issue or artificial ulcer for the discharge of
humors from the body.[Obs.] --Wiseman.
2. (Anat.) One of the membranous intervals between the
incompleted angles of the parietal and neighboring bones
of a fetal or young skull; -- so called because it
exhibits a rhythmical pulsation.
Note: In the human fetus there are six fontanels, of which
the anterior, or bregmatic, situated at the junction of
the coronal and sagittal sutures, is much the largest,
and remains open a considerable time after birth.
From WordNet (r) 1.7 (wn)
fontanel
n : any membranous gap between the bones of the cranium in an
infant or fetus [syn: {fontanelle}, {soft spot}]
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