macromere (makromer)

[ long, + μέρος, a part.] In embryol., the larger one of two unequal ma es into which the vi tellus of a lamellibranch, as a fresh-water mus sel, divides; the so-called vegetative cell of Rabl, which subdivides into blastomeres, partly by fi ion, partly by gemmation. See mi cromere. mac rom eric (mak-rō-mer'ik), a. [ naked eye. Macro meri tic is opposed to micro meri tic, the latter indicating a crystalline structure too fine visible without the aid of the microscope. macro meter (mak-rom'e-ter), n. [ IMG:content-0036.png:[blocks in formation]