Modifiers matching signature:

• electronic,
• physiological,
• secure,
• permanent,
• standard,
• primary,

Simple categories matching physiological:

• condition,
• tension,
• process,
• reaction,
• stage,
• discomfort,
• shift,
• characteristic,
• trait,
• vessel,
• system,
• work,
• pattern,
• state,
• pressure,
• activator,
• sound,
• complaint,
• sense,
• fuel,
• measure,
• change,
• event,
• ligand,
• matter,
• feature,
• property,
• secretion,
• reflex,
• fluid,
• hazard,
• signal,
• location,
• purpose,
• activity,
• development,
• problem,
• consequence,
• signature,
• space,
• status,
• structure,
• stressor,
• adaptation,
• rhythm,
• component,
• carrier,
• trauma,
• procedure,
• fluctuation,
• control,
• task,
• variable,
• study,
• disease,
• stress,
• interference,
• action,
• sign,
• cue,
• makeup,
• function,
• intervention,
• concomitant,
• substrate,
• illness,
• inducer,
• information,
• character,
• requirement,
• complication,
• anticoagulant,
• point,
• disturbance,
• data,
• cause,
• perception,
• behavior,
• amine,
• solute,
• movement,
• agent,
• phenomenon,
• capacity,
• innovation,
• criterion,
• sample,
• episode,
• quality,
• modification,
• disorder,
• abnormality,
• chemical,
• barrier,
• transition,
• artifact,
• effect,
• damage,
• arousal,
• failure,
• irregularity,
• variation,
• material,
• quantity,
• measurement,
• constituent,
• constant,
• dependence,
• area,
• alteration,
• issue,
• level,
• tremor,
• symptom,
• organs,
• dimer,
• necessity,
• matrix,
• entity,
• compound,
• malady,
• parameter,
• impairment,
• mechanism,
• topic,
• manifestation,
• organ,
• motion,
• marker,
• perturbation,
• buffer,
• preparation,
• benefit,
• tissue,
• factor,
• response,
• substance,
• steroid,
• molecule,
• dimension,
• difference,
• diagnosis,
• drive,
• attribute,
• limitation,
• sensor,
• indicator,
• situation,
• injury,
• protein,
• limit,
• stimulus,