释义 |
operculi- combining form of L. operculum, as in opercuˈliferous a. [-ferous], having an operculum, operculate; oˈperculiform a. [-form], having the form of a lid or operculum; opercuˈligenous a. [-gen + -ous: cf. alkaligenous], producing an operculum: said of the metapodium of gastropods; opercuˈligerous a. [-gerous] = operculiferous, operculigenous.
1857Mayne Expos. Lex., Operculiferus,..provided with a horny opercule, serving to close the cells which they inhabit: *operculiferous.
1828Stark Elem. Nat. Hist. II. 76 Radiolites... Shell inequivalve..lower valve turbinated..the upper..*operculiform. 1836Penny Cycl. V. 311/1 The opposite valve generally smaller, flatter, and sometimes operculiform.
1882Ogilvie s.v. Metapodium, The posterior lobe of the foot in mollusca, often called the *operculigenous lobe, because it develops the operculum when this structure is present.
1856Woodward Mollusca 47 Trochus Ziziphinus..exhibits..an *operculigerous lobe. |