Final answer:
The term for healthy cells staying close to their origin and stopping division when reaching confluence is contact inhibition, which is key for tissue structure and function.
Step-by-step explanation:
The term that applies to healthy cells tending to stay close to their place of origin is contact inhibition. This phenomenon is observed when cells grow and divide until they reach a state of confluence in a culture dish, forming a monolayer and then stopping division. Unlike cancer cells, which do not respect these boundaries and continue to pile up, healthy normal cells exhibit contact inhibition as part of their regulated growth processes. This is a crucial aspect of maintaining tissue structure and function, preventing uncontrolled cell proliferation.