varix

From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:42, 13 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_noun-simple)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
varix (noun; plural varices; Latin varix, dilation): (Mollusca: Gastropoda) Transverse elevations that occur on the outer shell surface; more prominent than the costa and generally spaced more widely; result of growth halt in which a thickened outer lip developed.