1770
Lastly , the microarchitecture of biological structures , which can be categorized as one of eight forms : fibrous , helical , gradient , layered , tubular , cellular , suture and overlapping , plays an important role in determining the mechanical properties of biological materials .
 concept or principle: microarchitecture; engineering feature: biological structures; material: be; material: as; machanical property: fibrous; engineering feature: tubular; material: suture; concept or principle: mechanical properties; material: biological materials
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:
 concept or principle: microarchitecture; engineering feature: biological structures; material: be; material: as; machanical property: fibrous; engineering feature: tubular; material: suture; concept or principle: mechanical properties; material: biological materials