Uric acid
- Pronunciation
- /YOOR-ik AS-id/
- Category
- Physiology
- Singular
- Uric acid
- Plural
- Uric acids
Definition
A chemical created when the body breaks down substances called purines, which in insects is excreted as a waste product through the Malpighian tubules.
Etymology
From Latin 'uricus' meaning 'urinary', and 'acidum' meaning 'acid'.
Example
Insects like grasshoppers excrete uric acid to conserve water, an adaptation to their often arid environments.
Synonyms
- 2,6,8-Trihydroxypurine
Related Terms
- Purines
- Malpighian tubules
- Excretion
- Metabolism
Usage Notes
Uric acid is less toxic and less soluble in water compared to ammonia and urea, making it a more efficient waste product for terrestrial insects.