secretion
release of a substance / produced substance
[C/U] Both
pl: secretions
This term carries a clinical or biological weight, evoking the image of a controlled, specialized release of chemicals. It suggests a functional purpose, where a body part creates a specific fluid to serve a biological role, such as lubrication, digestion, or signaling.
Countable when referring to a specific type of substance, like a pheromone secretion. Uncountable when referring to the biological process of secreting.
Meanings
Examples
The secretion of insulin by the pancreas regulates blood sugar.
The snail leaves a trail of sticky secretion behind it.
Related Words
dischargeemissionexudateeffusionabsorptionglandhormoneenzymemucussalivasweatinsulinpancreaspituitaryadrenalthyroidbilephlegmsecreteexcreteexcretionmetabolismcellmembranevesiclecytoplasmproteinpeptidelipidsteroidpheromonemucosaepitheliumductacinarendocrineexocrinehomeostasisbloodplasmasugarglucoseglucagongastrinsecretinhistamineserotonindopamineadrenalinenoradrenalinecortisolestrogentestosteroneprogesteroneoxytocinvasopressinlacrimalsebaceoussalivarymucousviscosityslimelubricantresiduetrailleakageoozeseepagefiltrationosmosisdiffusion