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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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
• 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