... response. Chapter 069. Tissue Engineering (Part 1) Harrison's Internal Medicine > Chapter 69. Tissue Engineering Tissue Engineering: Introduction The origins of tissue engineering ... [From Langer R, Vacanti J: Tissue engineering. Science 260:1993 (Fig. 1), with permission.] Cellular Components of Tissue Engineering The foundation of tissue engineering is the combination ... ectoderm tissue types. Multipotent adult stem cells have been found in multiple mature tissues including the bone marrow, brain, heart, and liver. In Schematic of basic principles of tissue engineering. ...