Frontal bone


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Frontal bone ex situ Frontal bone in situ
Frontal bone in situ & ex situ.
Please note how the pattern of sutures change all along the perimeter of that bone — from sutura serrata between frontal and parietal to sutura squamosa between frontal and lesser wing of sphenoid.

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Front view of frontal bone Markup for front view of frontal bone
Anterior aspect of frontal bone. Note the specific shape of the nasal part designed to simultaneously articulate with ethmoid, sphenoid, nasal and lacrimal bones.
The list of terms: Squama frontalis – Squama of frontal bone
Tuber frontale – Frontal tuber
Sutura metopica – Frontal, or metopic suture
Processus zygomaticus – Zygomatic process
Linea temporalis – Temporal line of frontal bone
Arcus superciliaris – Superciliary arch
Margo supraorbitalis – Supraorbital border
Incisura / foramen supraorbitale – Supraorbital notch or foramen
Incisura / foramen frontale – Frontal notch or foramen
Pars nasalis – Nasal part of frontal bone
Spina nasalis – Nasal spine
Margo nasalis – Nasal border

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Dorsal view of the frontal bone Markup for the dorsal veiw of the frontal bone
Dorsal aspect of the frontal bone.
The list of terms: Sulcus sinus sagittalis superioris – Groove for superior sagittal sinus
Crista frontalis – Frontal crest
Foramen caecum – Foramen cecum
Impressiones digitatae – Digitate impressions
Juga cerebralia – Cerebral ridges of cranium
Sulci arteriae meningeae mediae – Groove for middle meningeal artery

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Bottom view of the frontal bone Markup for bottom view of the frontal bone
Bottom aspect of the frontal bone demonstrating an opening of the frontal sinus (apertura sinus frontalis).
The list of terms: Pars nasalis – Nasal part
Spina nasalis – Nasal spine
Margo nasalis – Nasal border
Apertura sinus frontalis – Opening of frontal sinus
Incisura frontalis – Frontal notch
Foramen supraorbitale – Supraorbital foramen
Incisura supraorbitalis – Supraorbital notch
Incisura ethmoidalis – Ethmoid notch
Pars orbitalis – Orbital part
Fossa lacrimalis – Fossa for lacrimal gland
Foramen ethmoidale anterius – Anterior ethmoid foramen

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Posterior iso view of the frontal bone Markup for the posterior iso view of the frontal bone
Postero-lateral aspect of the frontal bone.
The list of terms: Squama frontalis – Squama of frontal bone
Margo parietalis – Parietal border
Linea temporalis – Temporal line of frontal bone
Facies temporalis – Temporal surface
Processus zygomaticus ossis frontalis – Zygomatic process of frontal bone
Pars orbitalis – Orbital part
Incisura ethmoidalis – Ethmoid notch

Frontal bone ex situ & in situ. 360° rotation.