actinomere Zool.
(ækˈtɪnəmɪə(r))
[f. actino- + µέρ-ος part.]
A portion of the surface of a radiated animal cut off by any two meridional lines reaching from pole to pole. See actinal.
| 1869 Nicholson Zool. 111 Eight meridional bands, or ‘ctenophores,’ bearing the comb-like fringes, or characteristic organs of locomotion, traverse at definite intervals the interpolar region, which they divide into an equal number of lune-like lobes, termed the ‘actinomeres.’ |