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  • Sperm

    semen., a male reproductive cell; spermatozoon., noun, semen
  • Sperm oil

    a yellow, thin, water-insoluble liquid obtained from the sperm whale, used chiefly as a lubricant in light machinery, as watches, clocks, and scientific...
  • Sperm whale

    a large, square-snouted whale, physeter catodon, valued for its oil and spermaceti, now reduced in number and rare in some areas .
  • Spermaceti

    a pearly white, waxy, translucent solid, obtained from the oil in the head of the sperm whale, used chiefly in cosmetics and candles , and as an emollient...
  • Spermary

    an organ in which spermatozoa are generated; testis.
  • Spermatic

    of, pertaining to, or resembling sperm; seminal; generative., pertaining to a spermary.
  • Spermatogenesis

    the origin and development of spermatozoa.
  • Spermatogenetic

    the origin and development of spermatozoa.
  • Spermatogenous

    producing spermatozoa.
  • Spermatophore

    a capsule surrounding a mass of spermatozoa, produced by the male of various animal species and transferred to the female.
  • Spermatophyte

    any of the spermatophyta, a primary division or group of plants comprising those that bear seeds.
  • Spermatorrhea

    abnormally frequent and involuntary nonorgasmic emission of semen.
  • Spermatorrhoea

    abnormally frequent and involuntary nonorgasmic emission of semen.
  • Spermatozoa

    one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
  • Spermatozoal

    one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
  • Spermatozoan

    one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
  • Spermatozoid

    a motile male gamete produced in an antheridium.
  • Spermatozoon

    one of the minute, usually actively motile gametes in semen, which serve to fertilize the ovum; a mature male reproductive cell.
  • Spermic

    spermatic.
  • Spermine

    a polyamine, h 2 n(ch 2 ) 3 nh(ch 2 ) 4 nh(ch 2 ) 3 nh 2 , formed from spermidine and occurring in all cells, esp. prevalent in semen, sputum, pancreatic...
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