calvarium
DESCRIPTION
anatomiTRANSCRIPT
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Calvarium
Calvarium terdiri atas os frontal, os parietal, os oksipital, os temporal squamosa,
dan ala mayor os spheenoidale. Pada bagian calvarium ini tulang – tulang tengkorak
dipisahkan oleh sutura – sutura yang menyatukan tulang ini pada tengkorak dewasa.
Sutura adalah sendi fibrosa yang tidak bergerak yang berada di antara tulang
calvaria.
terdiri atas:
sutura coronalis : membatasi os.frontal dan os. pariental
sutura sagittalis : membatasi antara os. parientalsinestradandextra
sutura squamosa : membatasi os pariental dan os. temporal
sutura lambdoidea : membatasi os. Pariental dan ocipital
titik pertemuan : Lambda, Bregma, Pterion, Asterion
a) ANATOMI
- Basis Cranii
Basis cranii externa
o Tulang : Os temporal, Os palatinum ala major Os sphenoidal, Os occipital
o Foramina
F. Ovale
F. Spinosum
F. lacerum
F. Magnum
F. Hipoglosus
F. Jugularis
Canalis caroticus
Basis crania interna mempunyai 3 fossa:
1. Fossa cranii anterior
Tulang:Pars orbitalis os frontalis, ala minor os sphenoidalis, pars
cribriformis os etmoidalis
Foramina: Pars cribriformisNn.olfactorius, Canalis opticus
N.opticus
Struktur lain: Processus clinoideus anterior
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2. Fossa cranii medius
Tulang: Ala mayor os sphenoidalis, Os temporal
Foramina:
Fissura orbitalis superior: N.III, IV, V-1,VI
Foramen rotundum: N.Maxillariscab.N.V
Foramen ovale: N.Mandibulariscab.N.V
Foramen spinosum: A.meningea media
Foramen lacerum: A.carotis interna
3. Fossa cranii posterior
Tulang:Os temporale pars petrosa, Os occipitale
Foramina:
Foramen magnum: medulla spinalis,a.vertebra,n.accesorius spinalis
Meatus acusticus Internus: N.VII, VIII
Foramen jugularis: N.IX, X, XI, v.jugularis interna
Canalis hypoglosus N.XII
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Basis Cranii Externa
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Splancho-Cranium
Tulang:
Os Maxillaris
Sinus maxillaris
Pars pterygoid os sphenoidalis
Os palatinum, membentuk palatum durum bersamamaxilla
Os Zygomaticum
Os nasale
Os frontale
Os lacrimale
Os mandibularis, terdiri dari corpus dan ramus.
Ramus: proc.coronoideus dan caput, foramen mandibularisa.v.n. alveolaris
inferior
Foramina:
Supraorbitalis
Infraorbitalis
Mentalis
Palatina mayor et minor
Incisivus a.v.n. nasopalatinus
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Mandibula
Gbr. regio Cranii tampak samping
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