中药百部(Radix Stemonae),按中国药典记载有直立百部、蔓生百部与对叶百部等三种。药材外形均为纺锤形或长条形。在组织构造中占大部分的皮层由大型的薄壁细胞所组成。石蜡制片,如按照常规的脱水、透明后,再进入浸蜡,材料往往会发生收缩现象,且浸蜡时间越长,收缩越厉害,使制片无法 Radix Stemonae, according to the Chinese Pharmacopoeia, has three kinds of erected ones, one hundred on the one hand, and one hundred on the other. Medicinal materials are all spindle-shaped or long strips. The cortex, which forms the major part of the tissue structure, consists of large, thin-walled cells. Paraffin tablets, such as in accordance with the conventional dehydration, transparent, and then into the wax, the material tends to shrink phenomenon, and the longer the immersion wax, the shrinkage is more powerful, so that the film can not