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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

    • 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

      • 胼胝;老茧;硬结
        Acallusis 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.

        英英释义

        noun

        • (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

              • form a callus or calluses
                1. His foot callused
              • cause a callus to form on
                1. The long march had callused his feet

              双语例句

              • Form a callus or calluses.
                形成茧或皮肤的硬结组织。
              • 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
              • 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
              • 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
              • 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
              • 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;
              • 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
              • 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。
              • 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。
              • 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