cancellous

形容词 cancellous:

1. having an open or latticed or porous structure
   同义词：cancellate, cancellated

can.cel.lous

adj.Anatomy （形容词）【解剖学】
Having an open, latticed, or porous structure. Used especially of bone.
网状骨质的：具有间隙的、格子状的或多孔结构的。尤用以指骨头

来源：
From Latin cancellus [lattice] * see cancel
源自 拉丁语 cancellus [格子的] *参见 cancel