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noun Biology.
- experimental or natural union of two individuals with exchange of blood.
- Physiology. the temporary loss of conductivity or excitability of a nerve cell.
noun
- the natural union of two individuals, such as Siamese twins, so that they share a common circulation of the blood
- a similar union induced for experimental or therapeutic purposes
n.
- The fusion of whole eggs or embryos, as occurs in conjoined twins.
- Surgical joining of the vascular systems of two organisms.