Periproct Explained

The periproct is the final body segment in annelid worms. The anus is located on this segment.[1] The term also refers to the small region surrounding the anus of the sea urchin.[2]

See also

Notes and References

  1. Book: Earthworms: Keys and Notes for the Identification and Study of the Species . Published for The Linnean Society of London and the Estuarine and Brackish-Water Sciences Association by E. J. Brill/Dr. W. Backhuys . Sims, R . Gerard, B . amp . 1985 . London . 3.
  2. Web site: Invertebrate Anatomy OnLine . Lander University . May 13, 2012 . Fox, Richard.

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