大腦鐮
大腦鐮[1](英語:),為硬膜的一部分,以其形狀狀似鐮刀而得名。為硬膜上一拱形部分,深入大腦半球中央縱裂中,分隔大腦左右半球。大腦鐮到了額骨處(腹側)會變得較薄,與雞冠突(crista galli)相接;在枕骨處(頭顱後下缘)與小腦天幕上側相連。
| 大腦鐮 | |
|---|---|
![]() | |
![]() Diagrammatic representation of a section across the top of the skull, showing the membranes of the brain, etc. (Falx cerebri is yellow line running down center.) | |
| 细节 | |
| 屬於 | 腦膜 |
| 识别标示 | |
| 拉丁语 | Falx cerebri |
| NeuroNames | 1237 |
| TA98 | A14.1.01.103 |
| TA2 | 5374 |
| FMA | FMA:83967 |
| 格雷氏 | p.873 |
| 神经解剖学术语 | |
大腦鐮的上緣是凸的,並連接到大腦中線內側,在背側與枕骨內粗隆相接。構造包含上矢狀竇。
鈣化
大腦鐮的鈣化在年長者的腦部較常見到,通常沒有任何特殊原因及症狀。[2]
附加圖像
Falx cerebri in relation to the skull.
Frontal bone. Inner surface.
Sagittal section of the skull, showing the sinuses of the dura.
Human brain dura mater (reflections)
Falx cerebri
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