mesectoderm development
The process whose specific outcome is the progression of the mesectoderm over time, from its formation to the mature structure. In animal embryos, mesectoderm development processes give rise to both mesoderm and ectoderm tissues.
GO:0009888
tissue development
is_a
GO:0160108
animal gross anatomical part developmental process
is_a
GO:0007398
ectoderm development
part_of
GO:0007498
mesoderm development
part_of