meroic a. [Gr. meros, part] (ANN: Oligochaeta) Pertaining to the excretory system with nephridial tubules formed by longitudinal or transverse fragmentation of the original single pair of embryonic rudiments of each segment.
meroistic ovariole (ARTHRO: Insecta) An ovariole in which nurse cells, or trophocytes are present; telotrophic (acro-trophic) and polytrophic types; panoistic; meroistic egg tube.
meromyarian a. [Gr. meros, part; mys, muscle] (NEMATA) Muscle arrangement with only a few, frequently only two, flat muscle cells seen in each quadrant of a cross section of the animal.
meron n. [Gr. meros, upper thigh] (ARTHRO: Insecta) The posterior part of the basicoxite; in higher Diptera, separated from the coxa and forms part of the thoracic wall (mesomeron, metameron).
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