Back نبيب كلوي قريب Arabic Proksimalna izuvijana cijev BS Túbul contort proximal Catalan Túbulo proximal Spanish Hurbileko hodixka bihurgunetsu Basque لوله پیچیده نزدیک Persian האבובית המקורבת HE 近位尿細管 Japanese Tubul proksimal Malay Túbulo contorcido proximal Portuguese
| Proximal tubule | |
|---|---|
 Scheme of renal tubule and its vascular supply. (1st convoluted tubule labeled at center top.) | |
| Details | |
| Precursor | Metanephric blastema |
| Identifiers | |
| Latin | tubulus proximalis, pars tubuli proximalis |
| MeSH | D007687 |
| Anatomical terminology | |
The proximal tubule is the segment of the nephron in kidneys which begins from the renal pole of the Bowman's capsule to the beginning of loop of Henle. At this location, the glomerular parietal epithelial cells (PECs) lining bowman’s capsule abruptly transition to proximal tubule epithelial cells (PTECs). The proximal tubule can be further classified into the proximal convoluted tubule (PCT) and the proximal straight tubule (PST).
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