macronuclear


mac·ro·nu·cle·us

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 macronucleus