pha
pha — abbreviation
1. a natural protein, found mainly in certain beans, that can make blood cells stic
a natural protein, found mainly in certain beans, that can make blood cells stick together. Scientists use PHA in medical research to study the immune system and to test how white blood cells react.
Asher prepared a fresh PHA solution for the blood agglutination test.
collocation: PHA solution
The research paper explained how PHA stimulates white blood cells to divide in culture.
domain: immunology / cell culture
Wei added phytohemagglutinin to the sample and watched the red cells clump together.
Dr. Okafor ordered another vial of PHA for the lymphocyte activation study.
Sven noted that the PHA concentration needed to be higher to see a clear reaction.
- phytohemagglutinin
the full scientific name; PHA is the standard abbreviation
用法筆記
Used almost exclusively in written scientific or medical contexts. The full form phytohemagglutinin is uncommon in everyday speech; the abbreviation PHA is standard in laboratory reports and research papers.