Final answer:
CV tissue should be kept moist and between 1 °C to 10 °C during dissection for optimal short-term stability. Cryopreservation is for long-term storage at ultra-low temperatures, not dissection. Aseptic conditions are essential, but the focus here is on preventing tissue degradation.
Step-by-step explanation:
To prevent possible cellular, tissue, and matrix degeneration, CV (cardiovascular) tissue should be kept moist and between 1 °C to 10 °C at all times during the dissection process. This temperature range is optimal for short-term temperature stability to ensure post-preparative stability, protecting the specimen from degeneration or excessive enzyme activity that could compromise the tissue structure. While working with tissues and performing dissections, maintaining aseptic conditions is crucial to prevent contamination. However, for the purpose of this specific question regarding the physical state and temperature to protect the tissue during dissection, moist conditions and a temperature range of 1 °C to 10 °C are appropriate.
It's important to note that cryopreservation is a method used for long-term storage of cells and involves ultra-low temperatures, typically at -70 °C or lower, which is not applicable to dissection processes. Procedures that call for a sterile field, such as surgeries and other medical interventions, require strict aseptic technique, but in the context of this question for dissection in a lab setting, sterility is less critical than ensuring the tissue does not dry out or overheat.