mesectoderm

mes·ec·to·derm

noun
\ˌmez-ˈek-tə-ˌdərm, ˌmēz-, ˌmēs-, ˌmes-\

Definition of MESECTODERM

: the part of the mesenchyme derived from ectoderm especially of the neural crest that gives rise to pigment cells, the meninges, and most of the branchial cartilages

—mes·ec·to·der·mal \-ˌek-tə-ˈdər-məl\ or mes·ec·to·der·mic \-ˈdər-mik\ adjective