A part of a cell or the intercellular matrix, generally visible by light microscopy.
(Slot-Value-Type Cell-Component Surrounds Cell-Component) (Slot-Value-Type Cell-Component Adjacent-To Anatomical-Structure) (Slot-Value-Type Cell-Component Affects Physiologic-Function) (=> (Cell-Component ?Self) (Exists (?A) (And (Component-Of ?Self ?A) (Or (Cell ?A) (Intercellular-Matrix ?A)))))