anterior 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.
References in periodicals archive ?
Caption: Figure 7: (a, b) Delayed closure of the sutures, widening of the anterior fontanelle, Wormian bones, sclerotic skull base, numerous supernumerary teeth, and malocclusion can be seen in the cranial radiographs (11 years).
Physical examination revealed wide open anterior fontanelle measuring 4.5 cm x 4.5 cm and frontal bossing.
Anterior fontanelle size in healthy Israeli newborn infants.
of fontaine spring, filter) is "a soft spot, such as one of the membrane-covered spaces (fonticuli cranii [NA]) remaining in the incompletely ossified skull of a fetus or infant." [1] The anterior fontanelle is the unossified area of the skull situated at the junction of the frontal, coronal, and sagittal sutures.
If hydrocephalus develops in infancy, the head usually becomes enlarged, and the anterior fontanelle, the soft spot on top of the head, may bulge and the infant will be irritable and listless.
After removing the periosteum, three holes were drilled in the skull and a sterilized stainless steel 0.6-mm screw was gently placed in each hole: two at the frontal sinus (10 mm anterior to the anterior fontanelle, 1 mm lateral to the sagittal plane) and one at the somatosensory cortex (2.5 mm posterior to the anterior fontanelle, 2.5 mm right lateral to the sagittal suture).
Application of indigenous preparation on the anterior fontanelle is the most soft spot of the infant's body and it is imperative that the handling of this spot should be minimized.
General status was well, the anterior fontanelle had a size of 2x1.5 cm.
* measurement of the head circumference and assessment of the anterior fontanelle to check for hydrocephalus
Black neonates have larger anterior fontanelle sizes than Caucasian or Oriental babies.

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