torus
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 14:29, 10 September 2013 by Andreas Plank (Talk | contribs)
2. (Annelida: Polychaeta) Low ridges provided with rows of acicular hooks or minute setae or uncini.
3. (Arthropoda: Insecta) In Diptera, the pedicel of the antenna.
4. (Porifera) A more or less doughnut-shaped space around the organism, concerned with water circulation.