Medical Definition of Atrial natriuretic factor
1. 
 A potent natriuretic and vasodilatory peptide or mixture of different-sized low molecular weight peptides derived from a common precursor and secreted by the heart atria. All these peptides share a sequence of about 20 amino acids.
Chemical name: Atriopeptin
(12 Dec 1998)
 
Lexicographical Neighbors of Atrial Natriuretic Factor
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