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DictionarySeemesectodermEctomesenchyme
Ectomesenchyme part of the embryonic connective tissue (mesenchyme) of most multicellular animals and humans. The ectomesenchyme consists of cells of the ectoderm. Almost the entire visceral skeleton, including auditory ossicles and branchial arches, as well as pigment cells and the connective tissue layer of skin, all develop from the ectomesenchyme. ectomesenchyme
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]ThesaurusSeemesenchyme |