The frontal suture is a fibrous joint that divides the two halves of the frontal bone of the skull in infants and children. Typically, it completely fuses between three and nine months of age, with the two halves of the frontal bone being fused together. It is also called the metopic suture, although this term may also refer specifically to a persistent frontal suture. If the suture is not present at birth because both frontal bones have fused (craniosynostosis), it will cause a keel-shaped deformity of the skull called trigonocephaly.
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| - درز جبهي (ar)
- Frontal suture (en)
- Suture métopique (fr)
- Sutura frontale (it)
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| - الدرز الجبهي (بالإنجليزية: Frontal suture) بنية تشريحية مؤلفة من نسيج ضام كثيف يزول غالباً عند عمر ثمانية شهور وهو علامة مميزة لجمجمة الطفل دون البالغ ويعرف أيضاً بالدرز بين العينين أو الدرز المقطبي لوقوعه عند مقطب الحاجبين (بالإنجليزية: metopic suture). (ar)
- La suture métopique est la suture crânienne formant une ligne médiane au niveau de l'os frontal au milieu de la glabelle et qui va s'atténuer pour la plupart des gens à l'âge de 6 ans. Sa présence dans le crâne fœtal, ainsi que d'autres sutures crâniennes et des fontanelles, confère une malléabilité au crâne pour faciliter le mouvement de la tête à travers le canal cervical et le vagin pendant l'accouchement. Le tissu conjonctif dense trouvé entre les os frontaux est remplacé par du tissu osseux à mesure que l'enfant grandit. (fr)
- The frontal suture is a fibrous joint that divides the two halves of the frontal bone of the skull in infants and children. Typically, it completely fuses between three and nine months of age, with the two halves of the frontal bone being fused together. It is also called the metopic suture, although this term may also refer specifically to a persistent frontal suture. If the suture is not present at birth because both frontal bones have fused (craniosynostosis), it will cause a keel-shaped deformity of the skull called trigonocephaly. (en)
- La sutura frontale è una struttura densa di tessuto connettivo che divide le due metà dell'osso frontale del cranio nei neonati e nei bambini.La sua presenza è dovuta ai due centri ossificativi distinti grazie ai quali l'osso frontale si sviluppa. La sua chiusura avviene con la sinostosi (precipitazione di sali di calcio a livello del ligamento suturale) delle due metà dell'osso frontale, che si fondono assieme.È l'unica sutura che si fonde nell'infanzia, solitamente nel primo anno di età, in genere tra i 3 ed i 9 mesi. (it)
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| - Persistent frontal suture in adult human skull (en)
- Skull at birth, seen from above (en)
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| - File:Crane suture metopique 01 04 2012 2 B.jpg (en)
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| - الدرز الجبهي (بالإنجليزية: Frontal suture) بنية تشريحية مؤلفة من نسيج ضام كثيف يزول غالباً عند عمر ثمانية شهور وهو علامة مميزة لجمجمة الطفل دون البالغ ويعرف أيضاً بالدرز بين العينين أو الدرز المقطبي لوقوعه عند مقطب الحاجبين (بالإنجليزية: metopic suture). (ar)
- The frontal suture is a fibrous joint that divides the two halves of the frontal bone of the skull in infants and children. Typically, it completely fuses between three and nine months of age, with the two halves of the frontal bone being fused together. It is also called the metopic suture, although this term may also refer specifically to a persistent frontal suture. If the suture is not present at birth because both frontal bones have fused (craniosynostosis), it will cause a keel-shaped deformity of the skull called trigonocephaly. Its presence in a fetal skull, along with other cranial sutures and fontanelles, provides a malleability to the skull that can facilitate movement of the head through the cervical canal and vagina during delivery. The dense connective tissue found between the frontal bones is replaced with bone tissue as the child grows older. (en)
- La suture métopique est la suture crânienne formant une ligne médiane au niveau de l'os frontal au milieu de la glabelle et qui va s'atténuer pour la plupart des gens à l'âge de 6 ans. Sa présence dans le crâne fœtal, ainsi que d'autres sutures crâniennes et des fontanelles, confère une malléabilité au crâne pour faciliter le mouvement de la tête à travers le canal cervical et le vagin pendant l'accouchement. Le tissu conjonctif dense trouvé entre les os frontaux est remplacé par du tissu osseux à mesure que l'enfant grandit. (fr)
- La sutura frontale è una struttura densa di tessuto connettivo che divide le due metà dell'osso frontale del cranio nei neonati e nei bambini.La sua presenza è dovuta ai due centri ossificativi distinti grazie ai quali l'osso frontale si sviluppa. La sua chiusura avviene con la sinostosi (precipitazione di sali di calcio a livello del ligamento suturale) delle due metà dell'osso frontale, che si fondono assieme.È l'unica sutura che si fonde nell'infanzia, solitamente nel primo anno di età, in genere tra i 3 ed i 9 mesi. La chiusura può dare luogo ad una cresta, o salienza, che può essere evidente o palpabile al tatto. La cresta metopica può essere fisiologica e mitigarsi in crescita oppure essere sintomo di una fusione troppo precoce. Tali valutazioni spettano al pediatra o ad un neurochirurgo pediatrico. Se al contrario non si fonde viene chiamata sutura metopica oppure più propriamente sutura frontale persistente. In tal caso è consigliabile eseguire una radiografia, perché potrebbe essere interpretata come frattura del frontale. Se la sutura non è presente alla nascita (craniosinostosi) ciò potrebbe causare una deformità del cranio verso una forma di chiglia, chiamata trigonocefalia. (it)
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