Microtomes

Microtomes

Microtomes are laboratory instruments used to cut thin slices of biological specimens for microscopic examination. The process of cutting thin sections of tissue is called microtomy. Microtomes are commonly used in histology, pathology, and other biological research fields. The instrument consists of a blade, a specimen holder, and a mechanism for advancing the specimen relative to the blade. The blade is usually made of steel or diamond and is mounted on a movable arm. The specimen holder is designed to hold the specimen securely and to allow precise positioning of the tissue block relative to the blade. There are several types of microtomes available, including rotary microtomes, sliding microtomes, and vibrating microtomes. Rotary microtomes are the most common type and are used for cutting paraffin-embedded tissue blocks. Sliding microtomes are used for cutting frozen tissue sections, while vibrating microtomes are used for cutting delicate specimens such as brain tissue. The choice of microtome depends on the type of specimen and the desired thickness of the sections. Microtomes have been used in biological research for over a century and have played a crucial role in the development of modern medicine. The ability to cut thin sections of tissue has allowed researchers to study the structure and function of organs and tissues at the cellular level. Microtomes have also been used to develop new diagnostic tests and therapies for diseases such as cancer.

laboratory, histology, pathology, tissue, section

— Paul Jackson