| Name: | pronephros |
|---|---|
| Synonyms: | embryonic kidney, pronephric nephron |
| Definition: | The embryonic kidney, present at the level of the third somite, is composed of two glomeruli fused at the midline, two pronephric tubules, and paired bilateral pronephric ducts that modify the composition of the blood filtrate before delivering it to the cloaca for excretion. |
| Ontology: | Anatomy Ontology [ZFA:0000151] |
| Name: | poorly differentiated |
|---|---|
| Synonyms: | |
| Definition: | A cellular quality inhering in a bearer by virtue of its lacking most of the cellular characteristics which would allow it to be fully differentiated. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002106] |