Sentence Examples


  • The penis is very large, cylindrical, with a truncated, expanded, flattened termination.
  • From this an equally slender tube proceeds, which joins its fellow of the opposite side, and the two form a thick, walled tube, which opens on to the exterior within the bursa copulatrix through which the penis protrudes.
  • In the soft parts the caecum is very large, the penis is armed with a pair of barbed horny claspers and the scrotum is spiny.
  • The penis, and its much reduced vestige of the female, is developed from the ventral wall of the proctodaeum.
  • Each testis communicates by means of an efferent duct with a common collecting duct of its side of the body, which opens on to the exterior by means of a protrusible penis, and to which is sometimes appended a seminal vesicle.