ectomesenchyme


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me·sec·to·derm

(mĕ-sek'tō-derm),
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(s): ectomesenchyme
[mes- + ectoderm]

me·sec·to·derm

(mes-ek'tō-dĕrm)
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.
[mes- + ectoderm]

ectomesenchyme

(ek´tōmez´ənkīm),
n a mass of tissue consisting of neurocrest cells present in the early formation of an embryo. It eventually forms the hard and soft tissues of the neck and cranium.