| Phenotype: | fourth ventricle composition, abnormal |
|---|---|
| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| 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: | composition |
|---|---|
| Synonyms: | composed of, compositionality, content, structure, composition |
| Definition: | A single physical entity inhering in an bearer by virtue of the bearer's quantities or relative ratios of subparts. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000025] |