#penis__peni__phallus__phallu__member  the male organ of copulation (`member' is a euphemism)
  supertype:  erectile_organ  an organ containing erectile tissue
  subtype:  prick  micropenis
  part of:  male_reproductive_system  male_genitalia
  part:  glans_penis__glanspeni  the conical mass of erectile tissue that forms the head of the penis
  part:  vena_bulbi_penis  vein of the head of the penis; tributary of the internal pudendal vein that drains the perineum
  part:  urethra  duct through which urine is discharged in most mammals and which serves as the male genital duct
     part:  urethral_orifice__external_orifice  the orifice through which urine is discharged
     part:  urethral_sphincter__musculus_sphincter_urethrae  a striated sphincter muscle that constricts the urethra
  part:  prepuce  a fold of skin covering the tip of the penis

No statement uses or specializes penis; click here to add one.