"SRS-A" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, 
	MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, 
	which enables searching at various levels of specificity.
	
	
		
			
			
				A group of LEUKOTRIENES; (LTC4; LTD4; and LTE4) that is the major mediator of BRONCHOCONSTRICTION; HYPERSENSITIVITY; and other allergic reactions. Earlier studies described a "slow-reacting substance of ANAPHYLAXIS" released from lung by cobra venom or after anaphylactic shock. The relationship between SRS-A leukotrienes was established by UV which showed the presence of the conjugated triene. (From Merck Index, 11th ed)
    
			
			
				
				
					
						| Descriptor ID | D013189 | 
					
						| MeSH Number(s) | D10.251.355.255.100.450.855 D10.251.355.310.166.887.855 D23.469.050.175.450.725 | 
					
						| Concept/Terms | SRS-ASRS-ASlow Reacting Substance of Anaphylaxis
 | 
					
				
			 
			
				Below are MeSH descriptors whose meaning is more general than "SRS-A".
				
			 
			
			
				Below are MeSH descriptors whose meaning is more specific than "SRS-A".
				
			 
		 
	 
 
                                        
                                            
	
	
		
			
			
					
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				Below are the most recent publications written about "SRS-A" by people in Profiles.