secretion
/si'kri:ʃn/
Học thuậtThân thiện
Definition
- Noun:
- A functionally specialized substance (especially one that is not a waste) released from a gland or cell: This refers to the specific, often useful, fluid or substance produced and discharged by a specialized part of an organism.
- The organic process of synthesizing and releasing some substance: This refers to the biological activity or function of producing and discharging such a substance.
Examples of Usage
- Noun (Substance):
- Saliva is a secretion that aids in digestion.
- The plant's nectar secretion attracts pollinators.
- Noun (Process):
- The secretion of hormones is regulated by the brain.
- Impaired secretion can lead to health problems.
Advanced Usage
- "Internal secretion": An older term for a hormone, a substance secreted directly into the bloodstream.
- Insulin is a crucial internal secretion for regulating blood sugar.
- "Secretion rate": The speed or quantity at which a substance is produced and released.
- The study measured the gastric juice secretion rate after a meal.
Variants and Related Words
- Secrete (verb): To produce and discharge a substance.
- Glands secrete various fluids.
- Secretory (adjective): Relating to or involved in secretion.
- The secretory function of the pancreas is vital.
Synonyms
- Discharge (noun/verb): The process of releasing or the substance released.
- Exudation (noun): The process of oozing out a fluid, often used in botany or medicine.
Related Phrases
- Secretion system: A biological system responsible for the transport of molecules.
- Bacteria use a type III secretion system to inject proteins into host cells.
Noun
- a functionally specialized substance (especially one that is not a waste) released from a gland or cell
- the organic process of synthesizing and releasing some substance