Modifiers matching perturbation:

• artificial,
• uniform,
• external,
• periodic,
• environmental,
• related,
• anthropogenic,
• chronic,
• uncertain,
• major,
• mechanical,
• additional,
• anatomic,
• physiological,
• novel,
• excessive,
• small,
• natural,
• dynamic,
• severe,
• mental,
• chemical,
• random,
• physical,
• electrical,
• strong,
• under,
• optical,
• dynamical,
• psychological,
• electric,
• acute,
• minor,
• therapeutic,
• local,

Simple categories matching physiological:

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