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Somatic mutation

a mutation occurring in a somatic cell, resulting in a change in the morphology or some other aspect of one part of an organism (usually a plant). It may be maintained by vegetative propagation but not by sexual reproduction

somatic mutation n.
Mutation occurring in the somatic cells as opposed to the germ cells.


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    somatic mutation theory of cancer n. The theory that cancer is caused by a mutation or mutations in the body cells, rather than germ cells, especially by nonlethal mutations associated with increased proliferation of the mutant cells.

  • Somatic nervous system

    noun 1. (physiol) the section of the nervous system responsible for sensation and control of the skeletal muscles Compare autonomic nervous system somatic nervous system [(soh-mat-ik)] The part of the nervous system that controls voluntary movements in the body, such as those performed by the skeletal muscles (see muscular system). The somatic nervous system also […]

  • Somatic reproduction

    somatic reproduction n. Asexual reproduction by fission or budding of somatic cells.

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    somatic sensory cortex or somatosensory cortex n. The region of the cerebral cortex receiving the somatic sensory data from the ventrobasal nucleus of the thalamus.

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