PHA

Definition
noun
Abbreviation for phytohemagglutinin, a hemagglutinin derived from plants, especially beans.
Supplement
Phytohemagglutinins or PHA are lectins capable of causing agglutination of erythrocytes and leukocytes. They are extracted from common beans (Phaseolus vulgaris), white kidney beans, green beans, fava beans, etc. They have various physiological effects, one of which is causing mitogenic effects, especially on T lymphocytes.


You will also like...

Hominid
The Hominids

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Biological Cell schematic diagram
Biological Cell Introduction

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

Physical growth
Physical Development in Humans

This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

Endemic Flora of New Zealand
New Zealand’s Unique Flora

If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..

Lights' Effect on Growth
Lights’ Effect on Growth

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Gibberellins and Gibberellic Acid
Gibberellins and Gibberellic Acid

This tutorial describes the role of gibberellin family in plants. Find out the effects of gibberellin on plant growth an..

Related Articles...

No related articles found

See all Related Topics