What is a key characteristic of scaffolds used in tissue engineering?

A key characteristic of scaffolds used in tissue engineering is that they must support cell attachment, growth, and differentiation while also being suitable for integration into the host tissue. Elasticity is important because it can enhance the mechanical properties of the scaffold, making it more similar to the native tissue it aims to replace. This characteristic helps maintain the structure and function of the engineered tissue under various physiological conditions.

Biodegradability is another crucial feature, as it allows the scaffold to degrade over time, facilitating the eventual replacement of the scaffold material with natural tissue. If a scaffold does not biodegrade, it can lead to complications, such as chronic inflammation or the formation of fibrous tissue, which can impair the functioning of the engineered tissue.

The combination of elasticity and biodegradability is essential for scaffolds, as these characteristics collectively ensure that the scaffold provides adequate mechanical support while also allowing the tissue to regenerate appropriately. Thus, the option that includes both elasticity and biodegradability captures the essential requirements for scaffolds in tissue engineering.