trophonucleus


trophonucleus

 [trof″o-noo´kle-us] macronucleus.

mac·ro·nu·cle·us

(mak'rō-nū'klē-ŭs), 1. A nucleus that occupies a relatively large portion of the cell, or the larger nucleus where two or more are present in a cell.
See also: micronucleus (2). Synonym(s): meganucleus2. The larger of the two nuclei in ciliates, which governs vegetative metabolic functions and not reproduction.
See also: micronucleus (2). Synonym(s): somatic nucleus, trophic nucleus, trophonucleus

trophonucleus

(trŏf″ō-nū′klē-ŭs) [″ + nucleus, kernel] Protozoan nucleus concerned with vegetative functions in metabolism and not reproduction.