part_of part of part of develops_from develops from develops from embryo neural rod TAO:0000133 neural tube rod An intermediate stage in the development of the central nervous system present during the segmentation period; the neural rod is roughly cylindrical in shape, forms from the neural keel, and is not yet hollowed out into the neural tube. Kimmel et al, 1995.[TAO] ZFA:0000133 EFO:0003498 A solid rod of neurectoderm derived from the neural keel. The neural rod is roughly circular in cross section. Neural rod formation occurs during primary neurulation in teleosts[GO]. An intermediate stage in the development of the central nervous system present during the segmentation period; the neural rod is roughly cylindrical in shape, forms from the neural keel, and is not yet hollowed out into the neural tube[ZFIN]. uberon UBERON:0005068 neural keel future central nervous system