“3 arteries, 3 nerves, 3 other things”:
3 arteries: testicular, ductus deferens, cremasteric.
3 nerves: genital branch of the genitofemoral, cremasteric, autonomics.
3 other things: ductus deferens, pampiniform plexus, lymphatics.
Note some argument about this: Moore doesn’t put in cremasteric nerve, Lumley puts in inguinal…