XB-ANAT-307
Synonyms: Stage Range: NF stage 13 to NF stage 22 Definition: 'The anterior U-shaped portion of the neural folds, the two longitudinal dorsal ridges, caused by a folding up of the ectoderm, that make their appearance on either side of the middle line of the early neural embryo.'
Component Anatomy Items: References: NCBO BioPortal, Ontology Lookup Service |
