Term: rhombic lip white matter
Name: rhombic lip
Synonyms:
Definition: The interface between the dorsal neuroepithelium and the roof plate of the fourth ventricle. The source of a number of migratory neuron populations of the hindbrain.
Ontology: Anatomy Ontology [ZFA:0001440]

Name: white matter
Synonyms: CNS tract/commissure, CNS white matter, white mater
Definition: Multi-tissue structure comprised largely of myelinated axons.
Ontology: Anatomy Ontology [ZFA:0001682]