callus

英 [ˈkæləs] 美 [ˈkæləs]

n.  胼胝,老茧(手、足上的硬皮)

现在分词:callusing过去式:callused第三人称单数:calluses过去分词:callused

GRE医学

COCA.33141



牛津词典

noun

  1. 胼胝,老茧(手、足上的硬皮)
    an area of thick hard skin on a hand or foot, usually caused by rubbing

    柯林斯词典

    1. 胼胝;老茧;硬结
      A callus is an unwanted area of thick skin, usually on the palms of your hands or the soles of your feet, which has been caused by something rubbing against it.

      双语例句

      1. This paper reported that an in vitro embryogenic callus induction and plantlet regeneration system from immature zygotic embryos of hybrid larch was established.
        以未成熟合子胚为外植体,建立杂种落叶松胚性愈伤组织诱导和植株再生体系。
      2. Carbon source, nitrogen source and plant hormone had the obvious effects on the callus growth and flavonoids production.
        碳源、氮源、植物激素对愈伤组织生长和黄酮类形成影响较为显著。
      3. The effect of inducing callus by selecting epicotyl as explant was better than other explants.
        选用上胚轴为外植体的愈伤组织发生效果较其他外植体好;
      4. Study on Callus Induction and Plantlet Regeneration from Stem Explants of Two Potato Varieties
        马铃薯品种茎段愈伤组织诱导和植株再生的研究
      5. This experiment inspected the effect of four different growth regulators on callus induction of cotyledon, young leaf, petiole and Hypocotyl in Creeping Dichondra with the orthogonal design.
        采用正交设计试验法,研究了四种不同生长调节剂对马蹄金子叶、片、柄和下胚轴愈伤组织诱导的影响。
      6. Callus Induction and Subculture System Establishment of Peony
        牡丹愈伤组织诱导和继代培养体系的建立
      7. Study on the Sucrose Metabolism in Embryogenic Callus of Occurrence Process of Picea Mongolica
        沙地云杉胚性愈伤组织发生过程中蔗糖代谢的研究
      8. Effects of 2,4-D and 6-BA on Callus Initiation and Plantlet Regeneration from Mature Embryos of Indica Rice
        2,4-D和6-BA对籼稻成熟胚愈伤组织诱导和植株再生的影响
      9. Factors affecting induction of callus in Mikania micrantha Kunth were studied in the paper.
        对影响微甘菊愈伤组织诱导的因素进行了系统研究。
      10. Druce. Result: Flower can regenerate plante by callus, while rhizome can regenerate adventitious bud directly.
        结果:花通过愈伤组织可形成再生植株,根状茎可直接分化出不定芽。
      11. Effects of Different Light Qualities on Multiplication and Resveratrol Accumulation of Grape Test-tube Plantlet and Its Callus
        不同光质对葡萄试管苗和愈伤组织增殖及白藜芦醇积累效应的研究
      12. Effect of sugar and nitrogen on the callus growth and anthocyanin accumulation in celosia cristata;
        本试验研究了不同基本培养基对凤尾鸡冠花愈伤组织生长及花青素积累的影响。
      13. Meanwhile, paraffin-cut section method was used for studying on callus formation, cork cambium and vascular cambium initiation.
        同时,运用石蜡切片法研究剥皮后愈伤组织的形成、木栓形成层和维管形成层的发生;
      14. Callus induction and plant regeneration capacity of different varieties were significantly different.
        不同品种在诱导愈伤和分化再生上都有显著的基因型差异。
      15. Ultrastructures of callus, adventitious root and adventitious bud from flax
        亚麻愈伤组织、不定根及不定芽的超微结构研究
      16. Callus Induction and Plant Regeneration of Young Chrysanthemum Petal
        菊花幼嫩花瓣愈伤组织的诱导和植株再生
      17. Research on Regeneration of Callus and Adventitious Bud of Aquilegia vulgaris
        耧斗菜愈伤组织和不定芽诱导的初步研究
      18. Objective: To study the effect of light intensity on the callus induction and resveratrol content of Polygonum cuspidatum.
        中文摘要:目的:研究光照强度对虎杖愈伤组织的诱导形成及其白藜芦醇含量的影响。
      19. Histology showed a marked increase in the size of the cartilaginous soft callus.
        组织学显示出了软骨质的柔软的骨痂的尺寸的标记的增加。
      20. Effects of Sorbitol, ABA and Dehydration Treatment on the Growth of the Callus in Maize
        山梨醇、ABA和干燥处理对玉米愈伤组织生长的影响
      21. The Callus Induction of Immature Embryo and Plant Regeneration of Seven Spring Wheat Varieties in Heilongjiang
        黑龙江7个春麦小麦品种幼胚愈伤诱导和植株再生研究
      22. NaCl stress inhibited the differentiation of callus and plant regeneration.
        盐胁迫抑制了愈伤组织的分化和植株再生。
      23. Using stems and young leaves of Rubus biflorus as explants, this paper researched the effect on inducing callus, budlets and roots and plantlet regeneration of different concentration hormone.
        利用粉枝莓的茎段和幼嫩叶片作为外植体,研究了不同激素水平对诱导产生愈伤组织、芽和根,完成植株再生的影响。
      24. At the same time, carbenicillin and cefotaxime showed positive effect on regeneration of callus.
        同时发现,羧卞青霉素与头孢霉素均对愈伤组织的分化有促进作用。
      25. Form a callus or calluses.
        形成茧或皮肤的硬结组织。
      26. Callus induction and Plantlet Regeneration of Begonia imperialis lem.
        帝王秋海棠愈伤组织的诱导和植株再生。
      27. The buds differentiation rate of callus, which induced by the axillary buds, was higher comparatively.
        愈伤组织的诱导分化以腋芽为外植体的芽分化率相对较高。
      28. Induction of callus and regeneration of Plantlets in cotyledon and hypocotyl segment culture of Chinese gooseberry
        猕猴桃离体子叶、下胚轴愈伤组织诱导和植株再生
      29. Embryogenic callus could be directly obtained on the MSB sold medium with the combination of IBA and KT.
        MSB培养基中添加IBA和BA也不能直接诱导获得胚性愈伤组织。
      30. There was no significant correlation between callus induction and plant regeneration.
        愈伤组织诱导率和分化率之间无显著相关性。

      英英释义

      noun

      1. (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid

        1. bony tissue formed during the healing of a fractured bone

          1. an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)

              Synonym:    callosity

            verb

            1. form a callus or calluses
              1. His foot callused

            2. cause a callus to form on
              1. The long march had callused his feet