| a bitter, alkaline, yellow or greenish liquid, secreted by the liver, that aids in absorption and digestion |
| a change in organs, tissues, or cells leading to performance of a function like muscular contraction |
parabiosis par·a·bi·o·sis (pār'ə-bī-ō'sĭs)
n.
The fusion of whole eggs or embryos, as occurs in conjoined twins.
Surgical joining of the vascular systems of two organisms.