blastoneuropore

noun
blas·​to·​neu·​ro·​pore | \ ˌblas-tō-ˈn(y)u̇r-ō-ˌpō(ə)r, -ˌpȯ(ə)r \

Medical Definition of blastoneuropore

: a temporary opening formed by the union of the blastopore and neuropore in some embryos

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