| Name: | hypothalamus |
|---|---|
| Synonyms: | |
| Definition: | Multi-tissue structure which is the largest portion of diencephalon and is ventrally located. The hypothalamus arises near the end of the segmentation period and the embryonic hypothalamic region gives rise to the neurohypophysis and other diencephalic nuclei. |
| Ontology: | Anatomy Ontology [ZFA:0000032] |
| Name: | decreased size |
|---|---|
| Synonyms: | hypoplasia, small, tiny, underdeveloped |
| Definition: | A size quality which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000587] |