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
• bony tissue formed during the healing of a fractured bone
• 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

• 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；
• 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。
• 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
• 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
• 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。
• 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
• 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。
• 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。
• 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。
• 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