Term: neural keel medial region
Name: neural keel
Synonyms: presumptive central nervous system
Definition: An intermediate stage (between the neural plate and neural rod) during the early segmentation period in the morphogenesis of the central nervous system primordium; the keel is roughly triangular shaped in cross section.
Ontology: Anatomy Ontology [ZFA:0000131]

Name: medial region
Synonyms:
Definition: Anatomical region medially located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000083]