释义 |
vesicle /ˈvɛsɪk(ə)l / /ˈviːsɪk(ə)l/noun1 Anatomy & Zoology A small fluid-filled bladder, sac, cyst, or vacuole within the body.They are united by the presence of small vesicles in, or just under, the plasma membrane....- The prevailing model argues that specific proteins are shuttled around to their destinations, both within and outside the cell, in enclosed vesicles.
- Both vesicles and bilayer patches were found not to move laterally over the time range of 10 min and more, except at relatively high imaging forces.
1.1 Medicine A small blister full of clear fluid.Chickenpox usually occurs in children, causing slight fever and an eruption of transparent vesicles (blisters)....- Several hours or days following exposure, affected skin in a previously sensitized individual becomes itchy and red and may develop small vesicles or blisters.
- In fact, she had beautiful skin apart from the scattered vesicles caused by the chicken pox.
2 Botany An air-filled swelling in a plant, especially a seaweed.Plant vesicle trafficking will serve similar functions to those seen in animals and yeast....- When resin vesicles are damaged during seed processing, the result is generally a decline in seed germination.
- Here we report that this defect formation is strongly enhanced by the membrane tension induced by osmotic swelling of vesicles.
3 Geology A small cavity in volcanic rock, produced by gas bubbles.A variety of minerals were deposited in the hollow vesicles....- Calcite, along with epidote, fills small vesicles in the basaltic dike rock.
- In the road cuts of both early and later construction, rock was blasted that contains zeolite-filled vesicles.
Derivatives vesicular /vɪˈsɪkjʊlə/ adjective ...- On the basis of the vesicular structure of the shell wall, Fisher felt that they were not closely related to annelid worms.
- Several observations on normal and injured lungs raise interest in the molecule and pathway specificity of deformation triggered vesicular trafficking.
- The thickest segments of the main tubes have a core of vesicular glass that is a terra-cotta color.
vesiculated /vɪˈsɪkjʊleɪtɪd/ adjective ...- Seismically, vesiculated zones exhibit low compressional-wave velocities.
- Others were highly vesiculated and contained discrete but degenerating organelles, such as nuclei and mitochondria.
- The chromatin was clumped, giving the nuclei a clear vesiculated appearance.
vesiculation /vɪˌsɪkjʊˈleɪʃ(ə)n/ noun ...- The sloughed area is caused by vesiculation and it in turn has many etiologies including thermal and chemical burns, exfoliative dermatitis secondary to a drug reaction, bacterial and fungal infections.
- Particular attention was paid to the description of each part of the stratigraphy, noting features such as degree of vesiculation, fracturing, weathering style, lithology and texture.
- These properties contribute to curvature stress that promotes hexagonal phase formation and membrane trafficking through vesiculation and fusion.
Origin Late 16th century: from French vésicule or Latin vesicula, diminutive of vesica 'bladder'. |