guard cells

Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

guard cells

one of a pair of specialized epidermal cells forming a pore (stoma) at the leaf surface. See STOMA for a description of how the stomatal aperture is regulated.

Mentioned in ?

stoma

References in periodicals archive ?

The two guard cells surround the central pore through which water is lost by plants.

Possible impacts of rising CO2 on crop water use efficiency and food security

The mean lengths ([micro]m) of guard cells at the upper epidermis were 1.51 [+ or -] 0.92, 1.72 [+ or -] 0.15 and 1.62 [+ or -] 0.84 at Oluku, Agbor and sapele roads respectively while at the lower epidermis, the guard cell lengths were 1.85 [+ or -] 0.40, 1.12 [+ or -] 0.64 and 1.71 [+ or -] 0.46, respectively.

Vehicular Traffic Air Pollution as Expressed by Leaves of Senna occidentalis (L.) Link from Three Busy Roads in Nigeria

endoplasmic reticulum (ER) and a rough Guard cells ...

What do students need to know about writing for science in the middle years?

The shape of the guard cells together and also the relation between polar and equatorial diameters of the stomata are indicative of its functionality (Rocha et al., 2007).

Anatomy and micromorphometric analysis of leaf Catasetum x apolloi benelli & grade with addition of potassium silicate under different light sources/Anatomia e analise micromorfometrica foliar de Catasetum x apolloi benelli & grade com adicao de silicato de potassio em diferentes fontes de luz

The guard cells length on both surfaces was 22.3 [+ or -] 1.2 [micro]m; the guard cells density on the adaxial surface was 345.7 [+ or -] 0.7 mm .

Micromorphological Characterization of the Leaf and Rhizome of Agapanthus praecox subsp. praecox Willd

The number of stomata per unit area was 4, all the stomata were open and no closed stomata were present, the average length of guard cells was 27.5 (25-30) um and average width of guard cells was 6 (5-7) um.

TRADITIONAL PLANTS OF FAMILY SOLANACEAE FACING THE PROBLEM OF ADULTERATION: A CRITICAL ISSUE

Signalling drought in guard cells. Plant Cell and Environment, 25: 229-237.

Effects of rice straw mulch on the diurnal leaf gaseous exchange and growth development of aerobic rice MRQ74 and MR253

The multisensory guard cell, stomatal responses to blue light and abscisic acid.

INTER SIMPLE SEQUENCE REPEAT (ISSR) MARKERS AND SOME PHYSIOLOGICAL ATTRIBUTES OF BARLEY (HORDEUM VULGARE L.) GENOTYPES TO DROUGHT AND POTASSIUM NUTRITION

The guard cells regulate the opening of the stomates, and the guard cells are controlled by the water potential of the leaf.

Quantity and quality in a tunnel: how the grapevine can produce both quantity and quality in a high tunnel

We show that the use of the CMLD may enhance the detection performance and particularly if we add guard cells in the range direction.