Sistemul imunitar

SISTEMUL IMUNITAR

 

Existenţa tuturor organismelor vii este condiţionatã de activitatea unor mecanisme de rezistenţã şi de imunitate, capabile sã protejeze individualitatea lor chimicã, prin mecanisme de recunoaştere şi diferenţiere a substanţelor proprii (self) de cele strãine (nonself). In mod normal, aceste mecanisme sunt perfect tolerante faţã de moleculele self, dar se activeazã şi reacţioneazã mai mult sau mai puţin viguros pentru a îndepãrta, a neutraliza sau a distruge substanţele nonself.

continuare:

http://ebooks.unibuc.ro/biologie/mihaiescu/3.htm

 

cursuri imunologie:

http://www.cursurimedicina.ro/files/Carte%20Imuno%28lb%20rom%29.pdf

 

noutati din cercetare:

http://www.physorg.com/tags/autoimmune+diseases/

 

 

Body Parts Affected by Autoimmune Diseases

Autoimmune diseases are split into organ-specific and systemic varieties. Some sources cite as many as 120 distinct autoimmune diseases, which as a group are thought to affect 50 million Americans.

Ann Painter/Shutterstock; iStockphoto; EHP/Joseph Tart

Sursa:  ehp03.niehs.nih.gov

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