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

• 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。
• 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
• 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。
• 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。
• 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。
• 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
• 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。
• 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
• 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；