| 词汇 | example_english_guard-cell |
| 释义 | Examples of guard cellThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. There were no significant differences in guardcell length between the leaves from the two distinct light conditions for any of the study species. Their stomatal density and guardcell length were also examined using nail-paint prints. On the south side of the entrance passage is a small side-chamber, sometimes called a guardcell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It included a guardcell, an intramural chamber and a stair entrance at ground level. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are no indications of an intramural room (guardcell) at the entrance. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is normal for there to be a cell breaking off from the passage beside the door; this is known as the guardcell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The opening to the guardcell is 61 centimeters square. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the north side of the entrance passage is a small side-chamber, of a type usually called a guardcell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On the left side of the entrance passage is a small side-chamber, sometimes called a guardcell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are no subsidiary cells, and the guard cells appear level with the rest of the epidermis. The length measured was taken as the longest dimension from the outer edges of the guard cells. The boundary conditions for the current and pressure moments are then imposed on the guard cells as with the case of the fluid. However, for shade plants, the upper epidermis had longer guard cells than the lower epidermis. The length of the guard cells was also measured using a graduated eyepiece. There are signs of an upper intramural gallery, and there are traces of intramural guardcell on the southeast side but no remains of the entrance can be seen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their guard cells were the smallest among the study species. Research on guardcell signal transduction mechanisms is producing an understanding of how plants can improve their response to drought stress by reducing plant water loss. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A number of stomata were also seen, consisting of pairs of guard cells, 40 m long. Shade plants had significantly shorter guard cells in both the upper and lower epidermis. Several major control proteins that function in a pathway mediating the development of guard cells and the stomatal pores have been identified. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Stomata are holes in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The epidermis tissue includes several differentiated cell types: epidermal cells, epidermal hair cells (trichomes) cells in the stomatal complex; guard cells and subsidiary cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Osmosis is also responsible for controlling the movement of guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The turgor pressure of guard cells is controlled by movements of large quantities of ions and sugars into and out of the guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. At night, the sugar is used up and water leaves the guard cells, so they become flaccid and the stomatal pore closes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The stoma is bounded by two guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The stomata are haplocheilic, monocyclic or dicyclic, usually depressed, with the guard cells occurring in the lowermost part of the stoma. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In some cases, chloride ions enter, while in other plants the organic ion malate is produced in guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the opening. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chloroplasts are generally absent in epidermal cells, the exception being the guard cells of the stomata. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These cells, along with the epidermal guard cells of the stoma, form a system of air spaces and chambers that regulate the exchange of gases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Specialized potassium efflux channels participate in mediating release of potassium from guard cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The epidermal tissue includes several differentiated cell types: epidermal cells, guard cells, subsidiary cells, and epidermal hairs (trichomes). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Malate is also synthesized by the carboxylation of phosphoenolpyruvate in the guard cells of plant leaves. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The stomata are bordered by guard cells and their stomatal accessory cells (together known as stomatal complex) that open and close the pore. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Guard cells also provide an excellent model for basic studies on how a cell integrates numerous kinds of input signals to produce a response (stomatal opening or closing). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Malate, as a double anion, often accompanies potassium cations during the uptake of solutes into the guard cells in order to maintain electrical balance in the cell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The stomatal pores are largest when water is freely available and the guard cells are turgid and close when water availability is critically low and the guard cells become flaccid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Guardcell length in both upper and lower epidermis was not significantly altered by shading. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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