The document discusses 3D bioprinting. It introduces 3D bioprinting as the process of generating spatially-controlled cell patterns using 3D printing technologies while preserving cell function and viability. It states that 3D bioprinting has applications in different fields. It also mentions that the document will discuss adoptions of 3D bioprinting and provide forecasts for the technology in 2016. It lists three references related to 3D bioprinting applications and trends.