primordium /pri·mor·di·um/ (-um) pl. primor´dia [L.] the earliest indication of an organ or part during embryonic development.
primordium
primordium (primor´de
m),
pri·mor·di·um (pr -môr d - m)n. pl. pri·mor·di·a (-d -) An aggregation of cells in the embryo indicating the first trace of an organ or structure. |
primordium
primordium (primor´de
m),n the first evidence of an organ in a developing embryo.
primordium
the first beginnings of an organ or part in the developing embryo. Called also anlage.
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