cell organ

Definitions of cell organ
  1. noun
    a specialized part of a cell; analogous to an organ
    synonyms: cell organelle, organelle
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    a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms
    an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
    cell nucleus, karyon, nucleus
    a part of the cell containing DNA and RNA and responsible for growth and reproduction
    nucleole, nucleolus
    a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
    chondriosome, mitochondrion
    an organelle containing enzymes responsible for producing energy
    one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis
    an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid; when it reaches a stop codon it falls apart and releases the completed protein molecule for use by the cell
    the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
    a large mitochondrion in a striated muscle fiber
    subthalamic nucleus
    an oval mass of grey matter located in the caudal part of the subthalamus; associated with the striate body
    type of:
    a fully differentiated structural and functional unit in an animal that is specialized for some particular function
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