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When it comes to dissection laboratories, students who are not studying medicine often feel a strong sense of mystery and even a bit of fear. The reasons for this are twofold: curiosity about the human body's structure and reverence for cadaver specimens. The dissection laboratories in medical schools vary in size, and with societal progress, they have transformed from being messy and unhygienic in the past to becoming bright and clean, increasingly resembling operating rooms.

In the past, dissection laboratories typically featured several immersion-style dissection tables, with cadavers submerged in the tables. Their most notable characteristic was the strong odor, primarily due to the formalin solution used for specimen preservation—also known as formaldehyde solution. While everyone knows that formaldehyde is a major pollutant in home renovations today, compared to the concentration in dissection laboratories, it's like comparing a small ghost to a big ghost. Formaldehyde has an irreplaceable advantage in specimen preservation and has been the standard in dissection laboratories for over100 years. Both dissection instructors and medical students would tear up and sniffle when talking about formaldehyde, their eyes watering from the fumes.

Modern dissection laboratories have undergone significant upgrades. First, many immersion-style dissection tables have been replaced with refrigeration tables. Second, specimen perfusion and fixation now use mixed eco-friendly solutions, eliminating formaldehyde odors. Third, the lighting and ventilation systems have been upgraded to meet operating room standards, with shadowless lamps and negative pressure ventilation installed. Fourth, digital dissection equipment has been introduced, such as virtual3D dissection software.

    The surgical-room-like environment and humanized design of dissection laboratories, along with digital and informational equipment, will be key development directions in the coming period.