Term: neural keel membrane
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: membrane
Synonyms: integral component of membrane, integral to membrane, membrane region, region of membrane, whole membrane
Definition: A lipid bilayer along with all the proteins and protein complexes embedded in it and attached to it.
Ontology: GO: Cellular Component [GO:0016020]    QuickGO    AmiGO