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In summary , porosity , pore size and pore interconnectivity are key factors that will significantly influence the mechanical properties and biological performance of scaffolds such as bone ingrowth and transportation of cells and nutrients .
 machanical property: porosity; process parameter: pore size; machanical property: pore; concept or principle: mechanical properties; concept or principle: biological performance of scaffolds; material: as; application: cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 machanical property: porosity; process parameter: pore size; machanical property: pore; concept or principle: mechanical properties; concept or principle: biological performance of scaffolds; material: as; application: cells