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CELL. A small room in a prison. See Dungeon.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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Activation of T cells is also dependent on the presence of non-T cells that function as accessory cells, which provide additional and essential costimulatory signals for T-cell proliferation (Coligan 1991).
Of these, in 43% the obstruction was by agger nasi cells, in 28.5% by ethmoid bulla or accessory cells and in 28.5% by polyps.