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
- 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 - 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。 - 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 - 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。 - This paper reported that an in vitro embryogenic callus induction and plantlet regeneration system from immature zygotic embryos of hybrid larch was established.
以未成熟合子胚为外植体，建立杂种落叶松胚性愈伤组织诱导和植株再生体系。 - 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 - 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。 - 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。 - 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 - 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。