mesectoderm

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. SYN: ectomesenchyme. [mes- + ectoderm]

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mes·ec·to·derm .mez-'ek-tə-.dərm, .mēz-, .mēs-, .mes- n the part of the mesenchyme derived from ectoderm esp. of the neural crest that gives rise to pigment cells, the meninges, and most of the branchial cartilages
mes·ec·to·der·mal -.ek-tə-'dər-məl or mes·ec·to·der·mic -'dər-mik adj

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mes·ec·to·derm (mez-ekґto-dərm) embryonic migratory cells, derived from the neural crest of the head, that contribute to the formation of the meninges and become pigment cells.

Medical dictionary. 2011.

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Look at other dictionaries:

  • mesectoderm — mes·ectoderm …   English syllables

  • mesectoderm — …   Useful english dictionary

  • Neural crest — The formation of neural crest during the process of neurulation. Neural crest is first induced in the region of the neural plate border. After neural tube closure, neural crest delaminates from the region between the dorsal neural tube and… …   Wikipedia

  • ectomesenchyme — SYN: mesectoderm (2). [ecto + G. mesos, middle, + enkyma, infusion] * * * ec·to·mes·en·chyme (ec″to mesґeng kīm) mesenchyme originating from the ectoderm, particularly from the neural crest …   Medical dictionary

  • mesenchyme — 1. An aggregation of mesenchymal or fibroblastlike cells. 2. Primordial embryonic connective tissue consisting of mesenchymal cells, usually stellate in form, supported in interlaminar jelly. SYN: mesenchyma. [mes + G. en …   Medical dictionary

  • mesectodermal — adjective see mesectoderm …   Useful english dictionary

  • mesectodermic — adjective see mesectoderm …   Useful english dictionary

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