apex
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 14:27, 10 September 2013 by Andreas Plank (Talk | contribs)
apex (noun; plural apexes, apices; Latin apex, tip): 1. That portion of any structure opposite the base of attachment; the tip.
2. (Arthropoda: Crustacea) The upper angle of the scutum or tergum of certain barnacles.
3. (Arthropoda: Insecta) Wing tip.
4. (Mollusca) a. In Polyplacophora, the beak or umbo of a valve. b. In Gastropoda, the first-formed end of a shell.
