#male_reproductive_system  the reproductive system of males
  supertype:  reproductive_system__genital_system__genitalsystem  organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring
  part:  prostate_gland  sperm_cell  male_genitalia  Cowper's_gland  testis  vas_deferens  penis  seminal_vesicle
  part of:  male_body  the body of a male human being
     part of:  male_person__male  a person who belongs to the sex that cannot have babies

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