ALL meanings of guard cell
guard cell
G g - noun guard cell either of two specialized epidermal cells that flank the pore of a stoma and usually cause it to open and close. 1
- noun guard cell Botany 1
- noun guard cell one of a pair of crescent-shaped cells that surround a pore (stoma) in the epidermis. Changes in the turgidity of the cells cause the opening and closing of the stoma 0
- noun guard cell either of the two bean-shaped cells which surround and control a stoma, or air pore, in the epidermis of a plant 0