Site of conversion of tryptophan into nicotinic acid in man.
D016740:Meridians; D009525:Niacin / Q000378:metabolism*; D009539:Nicotinic Acids; D014364:Tryptophan
D009539:Nicotinic Acids; D009525:Niacin; D014364:Tryptophan
NICOTINIC ACID/metabolism; TRYPTOPHAN