internal secretion
- noun
- Specialized
- The internal secretion produced by the thyroid gland is crucial for metabolism.
Examples
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The body produces internal secretion that regulates metabolism.
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Insulin is an important internal secretion of the pancreas.
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Damage to the thyroid affects its internal secretion, which can lead to health issues.
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Insulin is an example of an internal secretion that regulates blood sugar levels.
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The adrenal glands are responsible for the internal secretion of important hormones like adrenaline.
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Banting and Best discovered that the internal secretion from the pancreas regulates blood sugar levels.
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Hormones are a type of internal secretion that influences various bodily functions.
Synonyms
A chemical made by glands that travels in the blood to affect body parts
A substance made by a gland or cell and released to do a job in the body
Surface Forms
Morphology
The noun phrase is compositionally transparent: 'internal' (located within the body) modifies 'secretion' (material discharged by a gland), so the overall meaning — a substance produced within the body and released by glands — is directly derivable from the parts. This follows a regular adjective+noun pattern common across languages; although somewhat technical, a B1 learner who knows both constituents can infer the intended concept.
Etymology
Internal secretion comes from the simple image of glands inside the body secretly sending out a substance: internal means inside the body and secretion means something sent out. Picture tiny factories pouring a chemical into the blood to send a message to other parts, so the term means a substance glands release into the bloodstream to 'act on' other tissues.