Periproct
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
References
- ↑ Sims, R and Gerard, B (1985). Earthworms: Keys and Notes for the Identification and Study of the Species. London: Published for The Linnean Society of London and the Estuarine and Brackish-Water Sciences Association by E. J. Brill/Dr. W. Backhuys. p. 3.
- ↑ Fox, Richard. "Invertebrate Anatomy OnLine". Lander University. Retrieved May 13, 2012.
This article is issued from Wikipedia - version of the Monday, May 14, 2012. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.