Term Name: | proximal convoluted tubule segment 1 |
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Synonyms: | proximal tubule segment 1, S1, S1 portion of renal tubule, S1 portion of tubule, segment 1 of proximal tubule |
Definition: | The S1 portion is the initial portion of the proximal convoluted tubule and is responsible for avid reabsorption of water and solutes[GO]. |
Ontology: | Uberon Ontology [UBERON:0004196] |