Isolated sclereids can be called idioblasts.
单独的石细胞也可以叫做异细胞。
Sclereids are found in secondary phloem, and rays are rather rich in secondary xylem.
次生韧皮部有石细胞，次生木质部射线发达。
The sclereids contain crystals, calcium oxalate sand crystals, the number, size, shape of resin ducts can be considered as the characters of powder.
粉末特征中三者所含石细胞、草酸钙砂晶、树脂道的多少、大小和形状均有差异。
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