Modifiers matching secretion:

• mucosal,
• oral,
• accessible,
• mammalian,
• external,
• acidic,
• natural,
• hormonal,
• genital,
• male,
• urinary,
• biological,
• infectious,
• animal,
• typical,
• digestive,
• physiological,
• thick,
• alkaline,
• biologic,
• endocrine,
• liquid,
• sweet,
• watery,
• neuroendocrine,
• viscous,
• respiratory,
• intestinal,

Simple categories matching biologic:

• material,
• consequence,
• pattern,
• fluid,
• community,
• factor,
• system,
• process,
• entity,
• molecule,
• action,
• membrane,
• particle,
• marker,
• contaminant,
• difference,
• information,
• variable,
• agent,
• product,
• macromolecule,
• compound,
• secretion,
• structure,
• matrix,
• therapy,
• surface,
• trait,
• event,
• derivative,
• substance,
• tissue,
• area,
• glue,
• phenomenon,
• constituent,
• sealant,
• muscle,
• response,
• origin,
• polymer,
• aggregate,
• reaction,
• liquid,
• medium,
• medication,
• drug,
• matter,
• ingredient,
• property,
• activity,
• condition,
• mechanism,
• necessity,
• behavior,
• sample,
• substrate,
• component,
• change,
• intervention,
• organism,
• measure,
• mixture,