( a ) vas deferens, ureter, epididymis, vasa efferentia, testicular lobules, rete testis
( b ) ureter, vas deferens, epididymis, vasa efferentia, rete testis, testicular lobules
( c ) vas deferens, ureter, vasa efferentia, epididymis, testicular lobules, rete testis
( d ) ureter, vas deferens, vasa efferentia, epididymis, rete testis, testicular lobules