Etymology: mon- + blastic
: having or derived from a single germ layer
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/mon'euh blas"tik/, adj.
having a single layer, as an embryo in the blastula stage or developing from a single layer.
[1885-90; MONO- + -BLAST + -IC]
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monoblastic, -blepsia, -blepsissee mono- 1.
Useful english dictionary. 2012.