Term Name:	proximal straight tubule
Synonyms:	pars recta, pars recta tubuli renalis, proximal tubule segment 3, S3, segment 3 of proximal tubule, thick descending limb of proximal tubule, tubulus rectus proximalis
Definition:	The proximal straight tubule is the part of the descending limb that extends from the proximal convoluted tubule to the descending thin tubule.
Ontology:	Cell Ontology [UBERON:0001290]