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ectomeninx
noun
ec·to·meninx
\¦ektō+\
Definition of ectomeninx
ectomeninges
: the layer of mesoderm from which the dura mater and much of the membrane bone of the skull develop in the higher vertebrate embryo
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Origin and Etymology of ectomeninx
New Latin, from ect- + Greek mēninx membrane
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