Heterokaryota
HETEROKARYOTA, a zoological name proposed by S. J. Hickson for the Infusoria (q.v.) on the ground of the differentiation of their nuclear apparatus into meganucleus and micronucleus (or" nuclei).
See Lankester's Treatise of Zoology, vol. i. fasc. I (1903).
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)