cremaster

  1. Noun.  (anatomy) A thin muscle attached to the testicles.
  2. Noun.  (zoology) In the pupae of certain species of butterfly, a hook-shaped protuberance from the rear of the chrysalis casing, by which the caterpillar fixes itself to the pad of silk it has cemented to the underside of a perch.

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This entry was last updated on RefTopia from its source on 3/20/2012.