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]

Farlex Partner Medical Dictionary © Farlex 2012

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]

Medical Dictionary for the Dental Professions © Farlex 2012

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References in periodicals archive

There are various causes for the congenital absence of a tooth, notably the absence of an epithelial signal to the ectomesenchyme,15 the failure of a tooth bud to reach a critical size16,17 or more proximately to receive the signaling to continue development.18 Each of these key steps is under genetic control.

PREVALENCE OF HYPODONTIA IN ORTHODONTIC PATIENTS IN A PAKISTANI SAMPLE - A STUDY

The ectoderm, in becoming ectomesenchyme and later neural crest cells, plays a critical role in the development of head and neck structures as well as the aortic root, arch, pulmonary artery trunk, and proximal components of the arch vessels.

Disease patterns in vasculitis--still a mystery

Neural crest-derived dental pulp stem cells function as ectomesenchyme to support salivary gland tissue formation.

Literature review on stem cell treatment & oral submucous fibrosis (OSMF)

'Tooth development is complex phenomenon between epithelium and ectomesenchyme, which is being governed by the set of these complex genes.

Homeobox genes--the mirror of tooth development

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