Specimen embedded in paraffin wax or Microtome arm plastic resin 固定(甲醛 Metal or glass blade 等) Ribbon of thin sections 包埋(石蜡、 树脂等) Ribbon of sections on glass slide, stained and mounted under 切片(切片 a cover slip 机) 染色观察 o.gure A-18 Sectioning with a Microtome. The fixed specimen is Fi mbedded in paraffin wax or plastic resin and mounted on the arm of the microtome. As the arm moves up and down through a circular arc, the blade cuts successive sections. The sections adhere to each other forming a ribbon of thin sections that can be mounted on a glass slide, stained, and protected with a coverslip8 固定（甲醛 等） ↓ 包埋（石蜡、 树脂等） ↓ 切片（切片 机） ↓ 染色观察