| Name: | pronephros |
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| 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: | establishment of epithelial cell apical/basal polarity |
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| Synonyms: | |
| Definition: | The specification and formation of the apicobasal polarity of an epithelial cell. |
| Ontology: | GO: Biological Process [GO:0045198] QuickGO AmiGO |