accessory cell

[ak-ses-uh-ree sel]

noun

1. Immunology.,  any of various cells of the immune system that work with T or B cells to initiate a specific immune response.

2. Also called subsidiary cell. Botany.,  a plant epidermal cell associated with guard cells and different morphologically from other epidermal cells.

accessory cell

1. See subsidiary cell

Word History and Origins

Origin of accessory cell¹

First recorded in 1830–35

Example Sentences

Areole: Lepidoptera; see accessory cell, cell and cellule.

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Pseudo-cellula: = accessory cell: q.v.

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