vitamin A biosynthetic process
The chemical reactions and pathways resulting in the formation of any of the vitamin A compounds, retinol, retinal (retinaldehyde) and retinoic acid. Animals cannot synthesize vitamin A de novo, but form it through oxidative cleavage of carotenoids.
GO:0006776
vitamin A metabolic process
is_a
GO:0016102
diterpenoid biosynthetic process
is_a
GO:0042362
fat-soluble vitamin biosynthetic process
is_a
vitamin A anabolism
exact
vitamin A biosynthesis
exact
vitamin A formation
exact
vitamin A synthesis
exact