骶骨
骶骨[1](拉丁語:sacrum)又稱薦骨[2]、薦椎,是一大型三角形骨,由5塊骶椎在18至30歲融合而成。它是骨盆帶的基部,位於骨盆腔的後上方,上承腰椎,下接尾椎,在2塊髖骨之間。骶骨侧面上部有耳状面,与髂骨同名的耳状面构成骶髂关节。
圖像
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脊柱 -

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Sacrum, dorsal surface. -
Lateral surfaces of sacrum and coccyx. -
骶骨底 -
Median sagittal section of the sacrum. -
脊柱 -
Left Levator ani from within. -
The posterior divisions of the sacral nerves. -
Median sagittal section of male pelvis. -
Median sagittal section of female pelvis.