Gerotropy
Gerotropy, in the covolution framework, is the direction of the aging flow: the emergent, non-random bias of biological state space toward aged, non-required, identity-eroding configurations as gerostatic control weakens — the aging axis, or tropism of decline. It distinguishes directed deterioration from undirected noise.
Gerotropy is a probabilistic bias in the state-space landscape, not a programmed-death direction. In single-cell terms it is visible when cell-state transitions increasingly point toward off-lineage, inflammatory, senescent, or low-fidelity regulatory states; in cybernetic-attractor terms it is the direction of attractor decay. It corresponds to the directional aging vector estimable from single-cell data (e.g., the GeroEngine aging axis).
The term uses Greek -tropy ("turning, direction", as in entropy); note it is distinct from -trophy (atrophy, wasting).
Relation to the other aging terms
The aging flow is a vector: Gerorhesis is the flow, Geroflux its magnitude, gerotropy its direction; Gerostasis is the regime in which the flow is arrested; Gerotype is the resulting state.
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