satellite cell

satellite cell

n.

Any of the cells that envelop the bodies of neurons in the peripheral nervous system.

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satellite

1. in genetics, a knob of chromatin connected by a stalk to the short arm of certain chromosomes.

2. a minor, or attendant, lesion situated near a large one.

3. a vein that closely accompanies an artery.

4. exhibiting satellitism.

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satellite cell

cells present in nervous and muscle tissue, whose numbers diminish with age, which are involved in repair when damage occurs. They are capable of migration, reorientation, can proliferate, form myoblasts and myotubes, and form long cytoplasmic tails that act as tethers when they migrate.

satellite DNA

see deoxyribonucleic acid.