indoleacetic acid
Học thuậtThân thiện
Definition
Noun: - A plant hormone: Indoleacetic acid is a naturally occurring auxin, a class of plant hormones. Its primary function is to promote and regulate the elongation of cells in stems and roots, influencing plant growth and development.
Usage
Indoleacetic acid is a technical term used primarily in botany, plant physiology, and biochemistry. It is often abbreviated as IAA.
Examples
- Scientific Context:
- The application of indoleacetic acid to the stem caused significant elongation.
- Indoleacetic acid is synthesized in the shoot tips and young leaves of plants.
- Researchers studied the transport of indoleacetic acid from the shoot to the root.
Advanced Usage
- "IAA": The standard abbreviation for indoleacetic acid.
- The experiment measured IAA concentrations in different plant tissues.
Variants and Related Words
- Auxin (n): The broader class of plant hormones to which indoleacetic acid belongs. IAA is the most common natural auxin.
- Other synthetic auxins, like 2,4-D, mimic the effects of indoleacetic acid.
Synonyms
- IAA: The direct abbreviation.
- Heteroauxin: An older, less common synonym for indoleacetic acid.
Noun
- a plant hormone promoting elongation of stems and roots