Function: noun
Date: 1888
: the hollow longitudinal dorsal tube formed by infolding and subsequent fusion of the opposite ectodermal folds in the vertebrate embryo that gives rise to the brain and spinal cord
Function: noun
Date: 1888
: the hollow longitudinal dorsal tube formed by infolding and subsequent fusion of the opposite ectodermal folds in the vertebrate embryo that gives rise to the brain and spinal cord
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012