Wiktionary
n. 1 (context anatomy usually plural English) One of a number of straight ''(l en vas vasa)'' (tubes), (non-gloss definition: specifically:) 2 # (context somewhat dated English) A straight (l en seminiferous) tubule conveying (l en semen) from its pertaining ''(l en tubulus seminiferus contortus)'' (convoluted seminiferous tubule) to the ''(l en rete testis)'' of the (l en testicle) that contains it; (non-gloss definition: now more commonly called) the (term tubulus seminiferus rectus English) (straight seminiferous tubule). (1750–) 3 # {{context|sometimes|,|more fully|“(l en vas rectum renis)”|lang=en}} Any one of many straight (l en capillary capillaries) in the (l en kidney) that branch off from the ''(l en arteriola efferens arteriolae efferentes)'' (efferent arterioles) of (l en juxtamedullary) (l en nephron nephrons), enter the (l en medulla), and surround the (l en loop of Henle), where they function to absorb (l en water) and to (l en secrete) salt and (l en urea) into the renal (l en interstitium), thereby facilitating the production of concentrated (l en urine). (1858–) 4 # Any one of numerous straight (l en artery arteries) that branch off from the (l en arcade arcades) of the (l en mesentery) of the (l en jejunum) and (l en ileum) whence they head toward the (l en small intestine). (most recent sense)