labyrinthine layer blood vessel development
The process whose specific outcome is the progression of a blood vessel of the labyrinthine layer of the placenta over time, from its formation to the mature structure. The embryonic vessels grow through the layer to come in close contact with the maternal blood supply.
GO:0048568
embryonic organ development
is_a
GO:0060674
placenta blood vessel development
is_a
GO:0060711
labyrinthine layer development
part_of