Term: fourth ventricle dorsal region
Name: fourth ventricle
Synonyms: 4th ventricle, hindbrain ventricle, rhombencephalic ventricle, rhombencephalic vesicle, ventricle IV, ventriculus rhombencephali
Definition: Fluid-filled brain cavity. Most posterior brain ventricle.
Ontology: Anatomy Ontology [ZFA:0000110]

Name: dorsal region
Synonyms:
Definition: Anatomical region dorsally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000079]