Conclusion Tear strains were formed by inner and outer surface bone cortex in the anterior inferior part of acetabular notch.

结论构成泪痕的结构为髋臼窝前下方处的内、外骨皮质影。

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The apparent difference in elemental distribution in the bone cross section showed that the enrichment or loss of elements can occur not only in the inner and outer surface, but also in the middle.

而骨剖面线扫描分析显示，骨剖面上的元素分布具有明显的差异，表明骨内外表面与中间部分的元素发生了富集或流失。

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The UCL team discovered that MIP-1a plays a key role in the early stages of an allergic response within the clear membrane that coats the inner surface of the eyelid and outer surface of the eye, known as the conjunctiva.

BBC: NEWS | Health | Eyelid protein is key to allergy