Included among these cells are hairs (leaves have hairs), any sort of bump or ornamentation, and most important, stomata. 这些细胞包括有毛(叶子有毛)、任何突起或纹饰,最重要的是气孔。
Replacement can be a marvelously precise process, so that details of shell ornamentation, tree rings in wood, and delicate structures in bone are accurately preserved. 替换可能是一个令人惊叹的精确过程,因此贝壳纹饰的细节,树木的年轮和骨的微妙结构都被准确地保存。