Adjective
(chemistry) Concerning an effect in one entity that is controlled or influenced by a separate entity, such as when one ligand influences the binding of another ligand.
(physiology) Concernaing a process that abnormally takes place outside of its normal system as well as within its normal system.
Arising from the interaction of separate people or entities.
Source: en.wiktionary.orgHeterosynaptic plasticity main Heterosynaptic Plasticity (or also heterotropic modulation) is a change in synaptic strength that results from the activity of other neurons. Source: Internet
This phenomenon, where molecule Y affects the binding of molecule X to a transport molecule Z, is called a heterotropic allosteric effect. Source: Internet