| 词汇 | guard-cell |
| 释义 | guard cell noun[ C ] biology specializeduk /ˈɡɑːd ˌsel/ us /ˈɡɑːrd ˌsel/ on a leaf, one of a pair of cells positioned around each stoma (= a small hole in the surface) that open it to release gases or close it to prevent water from being lost植物的保卫细胞（保卫细胞组成环状，构成了叶子的气孔，能控制气流的进出，阻止水分流失。） Cells actin anaphase anti-platelet assort axoplasm histochemistry histography homologous chromosomes infiltration intercellular neoplasia nerve fibre neurofibril neurofibrillary neuroglia teratoma tetrad thrombocyte thymocyte turgor Examples of guard cellguard cell 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. See all examples of guard cell 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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