#sperm_cell__spermcell__sperm__spermatozoon__spermatozoan  the male reproductive cell; the male gamete
  supertype:  gamete  a mature sexual reproductive cell having a single set of unpaired chromosomes
  part:  flagellum  acrosome
  part of:  semen__seed__seminal_fluid__seminalfluid__ejaculate__cum  the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
  part of:  male_reproductive_system  the reproductive system of males
     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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