Looking at a cross-section of a bone, there's a hard-external layer known as the cortical bone and a softer internal layer of spongy bone or trabecular bone that is composed of trabeculae.
来看一根骨头的横截面,这个硬质的外层叫皮质骨,而软一些的松质骨内层,由骨小梁构成。
单词 | trabecular |
释义 |
trabecular
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