Microtome Knives and Sectioning Tools

In this tertiary-level topic, Zambian university and college students in biomedical science and laboratory technology programs will study microtome knives and essential sectioning tools. The module covers knife profiles—including plano-concave, biconcave, wedge, and tool-edge shapes—and their suitability for different tissues and microtomes. It also examines materials used in knife fabrication, such as steel, glass, diamond, and disposable blades, highlighting factors like sharpness, stability, and cost. Additional tools like flotation baths, drying ovens, brushes, forceps, slides, and section adhesives are discussed in detail, emphasizing their roles in producing high-quality histological sections. For students pursuing diplomas or degrees in Zambia, mastering these tools is critical for performing accurate microtomy, minimizing artifacts, and ensuring diagnostic reliability. The topic integrates theoretical knowledge with practical skills required for national examinations and professional certification. Understanding knife selection, maintenance, and tool usage enhances laboratory efficiency, reduces waste, and supports career readiness in Zambian health institutions, research facilities, and quality control laboratories.