macronucleus

(redirected from Meganuclei)
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mac·ro·nu·cle·us

 (măk′rō-no͞o′klē-əs, -nyo͞o′-)
n. pl. mac·ro·nu·cle·i (-klē-ī′)
The larger of two nuclei present in ciliate protozoans, which controls nonreproductive functions of the cell, such as metabolism.

mac′ro·nu′cle·ar adj.

macronucleus

(ˌmækrəʊˈnjuːklɪəs)
n, pl -clei (-klɪˌaɪ)
(Microbiology) the larger of the two nuclei in ciliated protozoans. Compare micronucleus

mac•ro•nu•cle•us

(ˌmæk roʊˈnu kli əs, -ˈnyu-)

n.
the larger of the two types of nuclei in ciliate protozoans, functioning in cell metabolism. Compare micronucleus.
[1890–95]
mac`ro•nu′cle•ar, adj.