Niacin biosynthesis in the developing chick embryo.
D000818:Animals; D004622:Embryo, Mammalian / Q000378:metabolism*; D004625:Embryo, Nonmammalian / Q000378:metabolism*; D047108:Embryonic Development; D009525:Niacin / Q000378:metabolism*
D009525:Niacin
EMBRYO/metabolism; NICOTINIC ACID/metabolism