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hormones
- Subject Category
- S Biological Sciences
- W Physical and Chemical Sciences
- Definition
- Chemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term is applied to substances secreted by various endocrine glands and transported in the bloodstream to the target organs, and is also extended to include those substances that are not produced by the endocrine glands but that have similar effects.
- Definition Source
- Medical Subject Headings
- RDF/XML Format:
- http://lod.nal.usda.gov/nalt/517.rdf
- Persistent URI:
- http://lod.nal.usda.gov/nalt/517
- Used For
- animal hormones
- Broader Term
- biochemical compounds
- hormones and hormone-related substances
- Narrower Term
- adrenal cortex hormones
- adrenal medulla hormones
- gastrointestinal hormones
- gonadotropins
- insect hormones
- neurohormones
- pancreatic hormones
- parathyroid hormone
- peptide hormones
- pituitary hormones
- placental hormones
- red pigment-concentrating hormone
- sex hormones
- steroid hormones
- thymus hormones
- thyroid hormones
- Related Term
- biocatalysts
- endocrine-disrupting chemicals
- hormonal regulation
- hormone agonists
- hormone antagonists
- hormone metabolism
- hormone receptors
- hormone secretion
- plant hormones
- synthetic hormones
- Spanish
- hormonas
- Term Number
- 517