| 释义 |
nucleolar
nu·cle·o·lus N0187100 (no͞o-klē′ə-ləs, nyo͞o-)n. pl. nu·cle·o·li (-lī′) A small body in the nucleus of a cell that contains protein and RNA and is the site for the synthesis of ribosomal RNA and for the formation of ribosomal subunits.
[New Latin, from Latin, diminutive of nucleus, kernel; see nucleus.]
nu·cle′o·lar (-lər) adj.Translationsnucleolar
nucleolar[nü′klē·ə·lər] (cell and molecular biology) Of or pertaining to the nucleolus. nucleolar
nu·cle·o·lar (nū-klē'ō-lăr), Relating to a nucleolus.nu·cle·o·lar (nū'klē-ō'lăr) Relating to a nucleolus. nucleolus (nū-klē′ō-lŭs) plural.nucleoli [L., little kernel] A spherical structure in the nucleus of a cell made of DNA, RNA, and protein. It is the site of synthesis of ribosomal RNA (rRNA); a cell may have more than one. Embryonic cells and those in malignancies actively synthesize rRNA; therefore, their nucleoli are larger than those of cells that do not require increased amounts of rRNA. nucleolar (nū-klē′ō-lăr), adjectiveThesaurusSeenucleolus |