| Library / English Dictionary |
CELL ORGAN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A specialized part of a cell; analogous to an organ
Example:
the first organelle to be identified was the nucleus
Synonyms:
cell organ; cell organelle; organelle
Classified under:
Hypernyms ("cell organ" is a kind of...):
organ (a fully differentiated structural and functional unit in an animal that is specialized for some particular function)
Hyponyms (each of the following is a kind of "cell organ"):
cilium (a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms)
lysosome (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)
centriole (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)
ribosome (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)
Holonyms ("cell organ" is a part of...):
cell ((biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals)
