#ketosteroid  a steroid containing a ketone group
  supertype:  #steroid  any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
  subtype:  #androsterone  an androgenic hormone that is less active than testosterone
  subtype:  #estrone__oestrone__theelin__Estronol  a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
  subtype:  #cortisone__Cortone_Acetate  a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone

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