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falx cerebri
The falx cerebri, also known as the cerebral falx, so named from its sickle-like form, is a strong, arched fold of dura mater that descends vertically in the longitudinal fissure between the cerebral hemispheres.
It is narrow in front, where it is attached to the crista galli of the ethmoid; and broad behind, where it is connected with the upper surface of the tentorium cerebelli.
Its upper margin is convex, and attached to the inner surface of the skull in the middle line, as far back as the internal occipital protuberance; it contains the superior sagittal sinus. Its lower margin is free and concave, and contains the inferior sagittal sinus.
== Calcification ==
Calcification of the falx cerebri is more prevalent in older patients, often without a determinable cause, and without pathogenic symptoms.〔Daghighi MH, Rezaei V, Zarrintan S, Pourfathi H (2007). "Intracranial physiological calcifications in adults on computed tomography in Tabriz, Iran." ''Folia Morphol (Warsz).'' 66 (2):115-9. PMID: (17594669 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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