Dictionary » A » Antibody



noun, plural: antibodies

Any of the numerous Y-shaped gamma globulin proteins found in the blood or lymph, and produced by B cells as an immune defense against foreign agents (antigens). Each antibody has a region that binds specifically to a particular antigen which it neutralizes. It is typically made up of large heavy chains and small light chains.


Antibodies are grouped based on their mode of action. Some of which are as follows:

Antibodies may be produced by direct exposure to foreign agents (active immunity). They may also be passed on from mother to offspring via milk (passive immunity).

Word origin: German Antikörper: from Latin anti- + körper (body).

Abbreviation: Ab


Compare: antigen

Related terms:

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Results from our forum

Will antibody staining work on mouse quad sections

I stained sections with hematoxylin first and now want to do antibody staining. Will it work?

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by 2444256703
Wed Mar 11, 2015 8:32 am
Forum: General Discussion
Topic: Will antibody staining work on mouse quad sections
Replies: 0
Views: 143

anti-hsp70 antibody

I've been trying to detect inducible hsp70 expression in an insect (blueberry maggot) following heat stress. So far, I've been only been able to detect constitutive hsp70, using SDS-PAGE and WB, and I'm pretty sure I've exposed the insects to sufficient heat stress... I'm currently using clone BRM-2...

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by biomart
Wed Mar 04, 2015 9:43 am
Forum: General Discussion
Topic: anti-hsp70 antibody
Replies: 2
Views: 443

Anti idiotype antibody

If i raise an antibody in a particular strain of mouse (BALB/c) with an antigen, the i collect that antibody ( monoclonal) and inject it into another BALB/c mouse. Would i get anti-idiotype, isotype or allotype antibody in mouse 2?

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by Microbuddy
Wed Feb 18, 2015 6:15 pm
Forum: Cell Biology
Topic: Anti idiotype antibody
Replies: 0
Views: 235

Re: immunoglobulins

A protein of animal origin with known antibody activity. Immunoglobulins are major components of what is called the humoral immune response system. They are synthesized by lymphocytes and plasma cells and found in the serum and in other body ...

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by RZachary1
Wed Jan 14, 2015 5:49 am
Forum: Cell Biology
Topic: immunoglobulins
Replies: 2
Views: 2291

Ig and Ab

is there any difference between immunoglobulin and an antibody? are the two exactly same?

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by jannat
Mon Oct 27, 2014 3:37 pm
Forum: Cell Biology
Topic: Ig and Ab
Replies: 2
Views: 930
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