[mahy-kroh-noo-klee-uh
s, -nyoo-] 
[-klee-ahy] . Biology. | the smaller of the two types of nuclei occurring in ciliate protozoans. |
| mi·cro·nu·cle·us (mī'krō-nōō'klē-əs, -nyōō'-) n. pl. mi·cro·nu·cle·i (-klē-ī') or mi·cro·nu·cle·us·es The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction. mi'cro·nu'cle·ar adj. |
micronucleus mi·cro·nu·cle·us (mī'krō-n&oomacr;'klē-əs, -ny&oomacr;'-)
n.
A minute nucleus.
The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction.