Category Nuances for senescence:

• underlying,
• metabolic,
• developmental,
• physiological,
• intracellular,
• important,
• logical,
• biologic,
• central,
• cellular,
• multicellular,
• fundamental,
• undesirable,
• biological,
• major,
• relevant,
• vegetative,
• agronomic,
• induced,
• diverse,
• critical,

Simple Categories for senescence:

• phenomenon,
• process,
• state,
• activity,
• trait,
• growth,