part of part of connected to connected to Homo sapiens system kidney kidney arcuate vein vascular plexus kidney vasculature straight venules of kidney SCTID:245983001 venulae recti set of straight venules of kidney venulae rectae of kidney venulae rectae renis venae rectae venulae rectae renis UBERON:0010181 Wikipedia:Straight_venules_of_kidney The straight venules of kidney are branches from the plexuses at the apices of the medullary pyramids, formed by the terminations of the arteriae rectae. They run outward in a straight course between the tubes of the medullary substance, and joining, as above stated, the interlobular veins, form venous arcades; these in turn unite and form veins which pass along the sides of the pyramids. Contains fenestrated capillaries. FMA:72007 venulae rectae