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
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)
verb
- form a callus or calluses
- His foot callused
- cause a callus to form on
- The long march had callused his feet
双语例句
- 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 - 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。 - 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。 - 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 - 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 - 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 - 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 - 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 - 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。 - 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；