| mesectoderm | 1. Cells in the area around the dorsal lip of the blastopore where mesoderm and ectoderm undergo a process of separation. 2. That part of the mesenchyme derived from ectoderm, especially from the neural crest in the cephalic region in very young embryos. Synonym: ectomesenchyme. Origin: mes-+ ectoderm (05 Mar 2000) |
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| mesectoderm |
embryonic migratory cells, derived from the neural crest of the head, that contribute to the formation of the meninges and become pigment cells.
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