M0015800 (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.
macronuclear
(ˌmækrəʊˈnjuːklɪə) adj (Chemistry) relating to or resembling a macronucleusEncyclopediaSeeMacronucleusMedicalSeemacronucleus