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Dictionary » A » Agglutination

Agglutination

Definition

noun, plural:

(general) The act of clumping together or adhesion of particles.

(biology) The clumping together of cells (such as bacteria and red blood cells) or particles.


Supplement

Biological agglutination occurs in (but not limited to) the following instances: (1) clumping of cells in response to an antibody, (2) the adhesion of small particles that are suspended in a solution, which are then (usually) precipitated (3) in allergic reactions, when cells clump together to prevent antigens from entering.


Word origin: from the Latin agglutinare, meaning "to glue to"

Related forms: agglutinin (noun), agglutinate (verb).
Related terms: cross agglutination, direct agglutination, false agglutination, group agglutination, indirect agglutination, mixed agglutination, passive agglutination, spontaneous agglutination.


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Re: Stomach bloating and weight gain

... a stomach ache, gas, bloating, vomiting or diarrhea. What happens is that antibodies glue themselves to the foreign invaders (improper food) and agglutination or "gluing" takes place in your blood. Now if you happen to be Blood Type A, who already has thick blood, your blood becomes ...

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by Jennuan
Sun Nov 23, 2008 6:44 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 299
Views: 483581

Precipitation and Agglutination

What are some important clinically useful tests that involve immunoprecipitation or immunoagglutination reactions? What is the principle behind each test?

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by RLM222
Thu Nov 13, 2008 5:05 pm
 
Forum: Microbiology
Topic: Precipitation and Agglutination
Replies: 1
Views: 876

Blood Type

... of type A gives 1 liter a blood. The concentration of anti-B antibodies is pretty small in 1 liter of blood that would be triggered dangerous an agglutination. Clear?

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by MisterATP
Wed Aug 13, 2008 9:32 pm
 
Forum: Cell Biology
Topic: Blood Type
Replies: 2
Views: 667

Re: What does hemagglutination look like?

... my sample causes the blood cells to burst. That is why I must use fixed blood. But thank you for your suggestion and it is very useful to see what agglutination looks like. Thank you!

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by Lornadoon
Mon Jun 02, 2008 8:10 am
 
Forum: Cell Biology
Topic: What does hemagglutination look like?
Replies: 2
Views: 1255

What does hemagglutination look like?

Yes, hemagglutination is clumped cells, based on antigen:antibody reaction, in this case particle antigen on the surface of RBC and antibody in the serum. If you want to see the nice agglutination in fresh blood (not fixed blood), ...

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by DoctorStein
Fri May 30, 2008 10:26 am
 
Forum: Cell Biology
Topic: What does hemagglutination look like?
Replies: 2
Views: 1255
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