Dictionary

nucleolus organizer

noun

Definition of NUCLEOLUS ORGANIZER

:  the specific part of a chromosome with which a nucleolus is associated especially during its reorganization after nuclear division —called also nucleolar organizer

First Known Use of NUCLEOLUS ORGANIZER

1939

nucleolus organizer

noun    (Medical Dictionary)

Medical Definition of NUCLEOLUS ORGANIZER

:  the specific part of a chromosome with which a nucleolus is associated especially during its reorganization after nuclear division—called also nucleolar organizer

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