accessory cell


noun

Immunology. any of various cells of the immune system that work with T or B cells to initiate a specific immune response.
Also called subsidiary cell. Botany. a plant epidermal cell associated with guard cells and different morphologically from other epidermal cells.

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Origin of accessory cell

First recorded in 1830–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for subsidiary cell (1 of 2)

subsidiary cell
[ səb-sĭdē-ĕr′ē ]

A plant epidermal cell that is located next to a guard cell in the stoma of a leaf and differs in structure from other epidermal cells. Also called accessory cell

Scientific definitions for subsidiary cell (2 of 2)

accessory cell

See subsidiary cell.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.