The resulting pigs had cells from the stem cell lines as well as the embryo donor in multiple tissue types. (emoryhealthsciblog.com)
This adds a level of complexity to laser therapy because most animal injuries involve multiple tissue - types. (soundvet.com)
Right after you begin your first set, a complex variety of hormones get to work to create an adequate response to the physical activity and coordinate the repair process across multiple tissues. (fitnessandpower.com)