part_of part of in taxon results in formation of anatomical entity neural rod formation neural keel formation biological_process GO:0014025 The formation of a thickened region of the neurectoderm that is roughly triangular in cross section. The neural keel develops from the neural plate and develops into the neural rod. Neural keel formation occurs during primary neurulation in teleosts. anatomical structure formation involved in morphogenesis Teleostei neural keel