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
- 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 - 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； - Study on the Sucrose Metabolism in Embryogenic Callus of Occurrence Process of Picea Mongolica
沙地云杉胚性愈伤组织发生过程中蔗糖代谢的研究 - 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。 - 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。 - 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。 - Effects of Sorbitol, ABA and Dehydration Treatment on the Growth of the Callus in Maize
山梨醇、ABA和干燥处理对玉米愈伤组织生长的影响 - 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。 - 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。 - At the same time, carbenicillin and cefotaxime showed positive effect on regeneration of callus.
同时发现，羧卞青霉素与头孢霉素均对愈伤组织的分化有促进作用。